1、七年级英语上册Unit 5单词讲解1.Lifestyle (名词) 生活方式用法详解该词由Life和style构成的合成词，类似词语有classroom (教室)；blackboard (黑板)等。其复数形式为lifestyles。Eg: There is a big change in lifestyle. 在生活方式上有个巨大的变化。2.Cucumber (名词) 黄瓜常见搭配cool as a cucumber 非常冷静；泰然自若Eg: Cucumber is good for soothing tired eyes. 黄瓜有助于缓解眼部疲劳。3.Lemon (名词) 柠檬常见搭配lem
2、on juice 柠檬汁Lemon tree 柠檬树用法详解lemon为可数名词，其复数形式为lemons；但译为“柠檬汁”时为不可数名词。Eg: She picked a lemon from the lemon tree. 她从树上摘下一颗柠檬。4.Watermelon (名词) 西瓜用法详解watermelon为可数名词，其复数形式为watermelons。Eg: I like watermelons very much. 我非常喜欢西瓜。5.Pepper (名词) 甜椒；胡椒粉知识拓展green pepper（青椒）；chili pepper（红辣椒）Eg: The pepper is
3、 so hot. 这个辣椒太辣了。6.Chocolate (名词) 巧克力常见搭配chocolate cake 巧克力蛋糕用法详解chocolate为不可数名词，在表达“一块巧克力”时，用“a bar of chocolate”的结构。Eg: Too much chocolate is bad for your teeth. 太多的巧克力对你的牙不好。7.Beef (名词) 牛肉用法详解beef为不可数名词，可以用some, any, much, a lot of, a little, little等修饰。Eg: My favourite food is beef. 我最喜欢的食物时牛肉。8.
4、Carrot (名词) 胡萝卜用法详解carrot为可数名词，其复数形式为carrots。常见搭配the carrot and the stick 威逼利诱Eg: Carrot is a kind of vegetable. 胡萝卜是一种蔬菜。9.Pork (名词) 猪肉用法详解pork为不可数名词。Eg: I want a kilo of pork. 我想要一公斤猪肉。10.Sweet (名词) 糖果、甜食；(形容词) 甜的、可爱的用法详解sweet译为“糖果”时，常用复数形式sweets。常见搭配have a sweet tooth 对甜食的喜爱Eg: Sweets are bad for
5、 your teeth. 糖果对牙齿不好。I have a sweet tooth. 我喜爱甜食。 11.Snack (名词) 点心；小吃用法详解snack为可数名词，其复数形式为snacks。常见搭配Itll be a snack. 这不过是小菜一碟。Eg: There are snacks - peanuts, olives and so on. 有各种小吃 - 玉米、橄榄等。12.Health (名词) 健康派生词healthy (形容词) 健康的；healthily (副词) 健康地；unhealthy (形容词) 不健康的常见搭配be in good/bad health 身体（不）
6、好Keep healthy = keep fit 保持健康Have a healthy diet 有健康的饮食Eg: He is in good health. = He is healthy. 他很健康。13.Delicious (形容词) 美味的Eg: These dishes are delicious. 这些菜非常美味。14.Diet (名词) 日常饮食常见搭配balanced diet 均衡饮食On a diet 在节食Eg: A good diet is beneficial to health. 良好的饮食有益于健康。She is always on a diet. 她总是节食。
7、15.Important (形容词) 重要的派生词importance (名词) 重要性常见搭配its important for sb. to do sth. 对某人来说做某事很重要. is/ are important for sb. .对某人很重要The importance of . .的重要性Eg: Its important for us to learn English. 对我们来说学英语很重要。English is important for us. 英语对我们很重要。Do you know the importance of English? 你知道英语的重要性吗？16.Wi
8、thout (介词) 没有反义词：with (介词) 有用法详解 without为介词，故后面接动词ing形式。Eg: She went to school without breakfast. 她没吃早饭就上学了。She entered the room without knocking. 她没敲门就进房间了。17.Pancake (名词) 烙饼；薄饼Eg: Do you like eating pancake? 你想吃煎饼吗？18.Tofu (名词) 豆腐Eg: I like tofu, its healthy. 我喜欢豆腐，它很健康。19.Sugar (名词) 糖用法详解sugar为不可
9、数名词。Eg: Sugar is an important crop on the island. 糖是这个岛上的一种重要作物。易混辨析sugar, sweet和candy区别：sugar常指白糖或蔗糖之类；sweet常指甜品、甜点，另外还可以做形容词，译为“甜美的”；candy常指我们平时吃的小型糖果、喜糖等。20.Tooth (名词) 牙齿用法详解tooth为可数名词，其复数形式为teeth。常见搭配tooth and nail 全力以赴Eg: The little Tony has only two teeth. 小汤姆只有两颗牙。21.Homebody (名词) 喜欢待在家里的人用法详
10、解homebody为可数名词，其复数形式为homebodies。Eg: Mums a real homebody. 妈妈才是真正需要家庭的人。22.Mutton (名词) 羊肉用法详解mutton为不可数名词。易混辨析mutton和lamb区别：mutton指1岁以上成年羊的肉；Lamb指1岁一下羔羊的肉。Eg: These mutton has a strong smell. 这些羊肉味太膻。23.Stay up 熬夜Eg: You shouldnt stay up all the time, its bad for your health. 你不应该一直熬夜，它对你的健康不好。知识拓展st
11、ay常见搭配Stay at home 呆在家里Stay healthy 保持健康Stay still 静止不动Stay away 离开Stay clear of 避开24.Unhealthy (形容词) 不健康的派生词health (名词) 健康；healthy (形容词) 健康的常见搭配be in good/bad health 身体（不）好Keep healthy 保持健康Eg: He is in good health. = He is healthy. 他很健康。25.Less (介词/形容词) 较少的、更少的；(副词) 少；较少用法详解less是little的比较级形式，常指物体的体
12、积或分量相对别的物体少；less作为形容词时多用来修饰不可数名词，但当名词前有数词或a few修饰时，则可接可数名词。常见搭配less and less 越来越少Less than 比.少/少于More or less 几乎；差不多Eg: I read much less now than I used to. 我现在看的书比脱去少得多。She found the job less and less interesting. 她发现那工作越来越没意思。26.Need (动词) 需要；(名词) 需要的事物；需要用法详解 need用法小结Need (实义动词) “需要”；Need (情态动词) “
13、需要”；无人称和数的变化，后面接动词原形常见结构need to do sth. “需要做某事（主动）”Need doing sth. “需要做某事（被动）”Eg: She need finish her homework in two hours. (need为情态动词) 她需要两个小时内完成作业。She needs to finish her homework in two hours. (need为实义动词) 她需要两小时内完成作业。The tree needs watering. 这颗树需要浇水。27.Enough (代词) 足够（的）；(副词) 足够地、相当用法详解enough作形容词
14、修饰名词时通常放在名词前，enough作副词修饰形容词/副词/ 动词时，放在所修饰词之后Eg: I have enough money to live. 我有足够多的的钱生活。He walks fast enough. 他走得足够快。28.Cheese (名词) 奶酪用法详解cheese为不可数名词，表示“一块奶酪”时用“a piece of cheese”。常见搭配a big cheese 大人物；要员Chalk and cheese 截然不同Eg: If you like cheese, go for the ones with the least fat. 要是喜欢吃奶酪，就吃脂肪含量最
15、少的。29.Piece (名词) 块、片；（文艺作品等的）一篇（首/幅.等）用法详解piece可以作量词，表示整体中的一部分或若干个个体；也可以表示数量，通常与介词of连用。常见搭配a piece of paper 一张纸A piece of bread 一块面包A piece of cake 小菜一碟In pieces 零碎的Eg: I need a piece of paper. 我需要一张纸。Play us that new piece. 给我们演奏那支新曲子吧。30.Bowl (名词) 一碗（的量）；碗用法详解bowl译为“碗”时为可数名词，其复数形式为bowls；bowl还可作量词用
16、，指“一碗.”常见搭配a bowl of. 一碗.Eg: Put these vegetables into the bowl, please. 请把这些蔬菜放到一个碗里。I want two bowls of noodles. 我想要两碗面条。31.Salt (名词) 盐派生词salty (形容词) 咸的用法详解salt为不可数名词。常见搭配add salt 加盐Pinch of salt 一撮盐Eg: Add two teaspoons of salt. 加两茶匙盐。32.Packet (名词) 小袋；小包装纸袋常见搭配a packet of. 一包.Eg: a packet of bis
17、cuits 一包饼干It will cost you a packet. 那会花你一大笔钱。 33.Kilo (=kilogram) (名词) 千克；公斤用法详解kilo为可数名词，其复数形式为kilos。常见搭配a kilo of . 一公斤.Eg: I want a kilo of apples. 我想要一千克苹果。She wants ten kilos of rice. 她想买十公斤大米。34.Carton (名词) 硬纸盒，塑料盒用法详解carton译为“盒”时为可数名词，其复数形式为cartons；carton还可作量词用，指“一盒.”常见搭配a milk carton 牛奶盒A c
18、arton of milk 一盒牛奶Eg: You can put these things into the empty carton. 你可以把这些动词放在那个空盒里。35.Bottle (名词) 一瓶（的量）；瓶子用法详解bottle译为“瓶”时为可数名词，其复数形式为bottles；Bottle还可作量词用，译为“一瓶.”。常见搭配a bottle of. 一瓶.Eg: The bottle is clean. 这个瓶子很干净。Can I buy me a bottle of milk, Mum? 你能给我买瓶牛奶吗，妈妈？36.Maybe (副词) 也许；大概用法详解maybe为副词
19、，常常位于句首。易混辨析maybe和may be区别maybe为副词，位于句首，表示推测；May be为情态动词 + be动词原形的结构，译为“可能是”，常常位于句中。Eg: Maybe he is from England. 也许他来自英国。He may be from England. 他可能来自英国。37.Than (介词/连词) 少于；小于；比用法详解than常常用在比较级中，后面接人称代词时多用宾格形式，若接动词则用doing形式。Eg: She is taller than me. 她比我高。I think playing football is more interesting
20、than swimming. 我觉得踢足球比有用更有趣。38.Almost (副词) 几乎用法详解almost常放在be动词、情态动词后，实义动词之前。Eg: I almost forgot my keys. 我差点儿忘了我的钥匙。39.Chip (名词) 炸薯条；炸薯片用法详解chip为可数名词，其复数形式为chipsEg: She likes eating chips very much. 她非常喜欢吃炸薯条。40.Smartphone (名词) 智能手机Eg: Mum, can I have a smartphone? 妈妈，我可以有一部智能手机吗？41.Tablet (名词) 平板电脑
21、Eg: This kind of tablet is on sale. 这种平板电脑正在打折。42.Score (名词) 分数；成绩；比分用法详解score作名词时为可数名词，其复数形式为scores；作动词时，译为“得分”常见搭配the score of . .的分数Eg: Whats the score of this match? 这场比赛的分数是多少？43.Point (名词) 得分；要点；观点；地点用法详解point作名词时为可数名词，其复数形式为points；Point也可作动词，译为“指；指出”常见搭配point at . 指向. （常有粗鲁或不礼貌之意）Point to . 指
22、向. （常强调方向，而不是指物体）易混辨析point与score区别Point常指得分的小单位，例如篮球比赛中的“三分球”可用“a three pointer”；score更侧重总分和较大的得分，例如考试分数、比赛总分等。Eg: There are two points which I wanted to make. 我想要指出的有两点。44.Meal (名词) 一餐所吃的食物；一顿饭用法详解meal为可数名词，其复数形式为meals。常见搭配make a meal of sth. 小题大做Eg: Lunch is his main meal of the day. 午餐是他的正餐。Enjoy
23、 your meal. 请用餐。Try not to eat between meals. 两餐之间尽量别吃东西。45.Porridge (名词) 粥；麦片粥Eg: I often have porridge for breakfast. 我早餐经常喝粥。46.Whole (形容词) 全部的、整个的；(名词) 全部；整个常见搭配the whole day = all day 一整天My whole family 我的整个家庭；全家知识拓展whole与all区别whole常用于修饰单数可数名词；位于冠词、指示代词、物主代词及名词所有格之后。all常用于修饰不可数名词或复数可数名词；位于定冠词、指
24、示代词、物主代词及名词所有格之前。Eg: This whole holiday has passed quickly. 整个假期都过的很快。hey walked all the way. 他们一路上都是步行。47.Miss (动词) 思念；想念；错过常见搭配miss doing sth. 错过做某事Eg: She missed catching the bus. 她错过赶上这班车了。She missed the first bus. 她错过了头班车。48.Rest (名词) 休息时间；(动词) 休息常见搭配have a rest = rest = have a break 休息Eg: He i
25、s too tired, I think he must have a rest. 他太累了，我像他该休息一下。49.Pie (名词) 馅饼Eg: She had an apple pie this morning. 今天早上她吃了一个苹果派。50.Yogurt (= yoghurt) 酸奶Eg: Yogurt is usually very low in fat. 酸奶的脂肪含量通常很低。51.Most (代词) 大多数、几乎所有；(副词) 最大、最多注意most是many/ much的最高级，其对应的比较级形式是more常见搭配most of . .的大多数Eg: I spent most time on the first question. 我在第一个问题上花的时间最多。6
