八年级下册单词

1、Term，scientific terms are there any examinations at the end of term？学期末有考试吗？they were sentenced to long terms in prison。他们被判处长期徒刑，n；学期期间，term，He termed the play a tragedy。他把这部剧称为悲剧。vt .term，1 in the long term从长角度看，2 in the short term立即3 law term法律术语4 on bad terms不和，不好的关系，1 .at term过期，终止；到期2 in terms

2、 of by.在中.侧面；侧面。etiquette，the rules of diplomatic etiquette。外交礼节规则the rules of etiquette are not so strict noadaays。今天的礼节规则不是很严格。名词：1礼节2规则3礼节、同义词、if somene has good manners、they are polite and observe social customs。if somene has bad manners，They are impolite and do not observe these customs，manners

3、，normal，1。he received four years of normal e dication at college。他在大学接受了4年的正规教育。2 Everything is normal here。这里一切正常。normal university normal university，adj .正常标准的常规正常标准，近义词，ordinary常规：常规an ordinary days work日常工作。Regular是规则的：规则的He kept regular hours。他过着有规律的生活normal:正常正常正常的正常the normal temperature of t

4、he human body人的正常体温，反义词，Abnormal adj .异常异常异常的异常异常的Irregular不规则，behavior，he was on his best behavior他做得很好。you can be released from prison early for good behavior。如果做得好，可以早点解决。=behaviour，n .行动态度，at first，the young couple fell in love at first sight。这个年轻人一见钟情。At last last at first sight乍一看，最初是Asian，多次：

5、Asians。an Asian is a person born or living in Asia。亚洲人是指在亚洲出生或生活的人。2 breakasian records and set sights on world level in sports。从亚洲走向世界。3Most of Asians are yellow。大多数亚洲人是黄色的皮肤。n .亚洲人adj .亚洲人、亚洲人、uncomfortable、1)I feel uncomfortable in this chair .我坐在这张椅子上感到不舒服。2)He smiled uncomfortably。他尴尬地笑了。adj:不舒

6、服，不舒服，接近，painful，upset，反义词，comfortable，impolite，adj粗鲁无礼无礼无礼无礼无礼无礼无礼无礼，无礼，It isnt easy to put up不礼貌的人难以容忍，无礼，It is impolite to get a word in。别人谈话时插嘴是不礼貌的。没礼貌，she ordered that impolite fellow out。她命令那个无礼的家伙出去。近义词，rude，ill-manered，反义词：polite，impolite，do you remember me？副词：impolitely名词：impoliteness，allo

7、w，vt。允许；允许。承认；承认。给予；给予。允许(某物)(1) I dont think he would allow it。我想他不会允许的。(2)web dont allow the children to sit up late。我们不允许孩子们熬夜。Allow sb to do sth，Allow，vi。允许；允许。the river is too deep to allow of swimming .我觉得河太深了，不能游泳。allow，过去：allowed过去分词：allowed当前分词：allowing第三人称单数：allows，同义词，admit:允许；Let:允许，perm

8、it: vt。允许，放任；允许，反义词，prevent:预防；Deny阻止：拒绝，球体，allow of:允许；许可allow for:注意事项；you have to allow for a cerain amount of error.必须考虑一定范围的错误。，keepdown，1)keep sb down抑制2)keep it down 1。不吵2。低语3)keep down prices 1 .价格抑制4)降低keep down the cost 1成本，控制抑制，voice，n:声音；声音；声音。发言权；唱歌才能vt。发音；发音。表达，声音，n:声音，声音our voice，n ec

9、hoed in the empty house。我们的声音在空房间里回荡。She spoke in a low voice，always without inflection。她低声总是音色平平。语音，vt:发音；表达scientists have voiced concern that the disease could be passed on to humans.有些科学家表示担心这种病可能会传染给人。同义词辨析，noise:一般不甜，烦人的吵闹声，隐藏的蔑视。Sound:一般用语，一般意思，人们能听到的各种声音，无贬义voice:人说话或唱歌时发出的声音，voice，复数：voiced

10、过去分词：voiced过去分词：voiced现在分词：voiced社会公共场所(文学家等)爱情读者1)the public are requested not to throw wate paper in the park。公众被要求不要在公园里乱扔废纸。(2)I ran across her in the public library yesterday。我昨天在公共图书馆偶然遇见了她。公共，adj .公共，公共；公开的；公开的。政府众所周知的its bad form to pickones teeth in public。在公共场所摘牙齿是失礼的。顾，1)the public eye:大众

11、的眼睛2)in public:大众的；公众，take care，1)小心，Take great care，I pray you！小心，我求你了！2)buzz took care that there no apples left on the tree .孩子们执意要从树上吃掉苹果。take care，小心；小心，接近语，look out，be careful，相关短语，take care of:请照顾我And I will take care of you，I promise。我一定照顾你。take care to do:花时间，cough，cough，1) she coughed the

12、whole night。她咳嗽了一整夜。(2)my piver have a cough，but I have a cough。我有点发烧，但还有点咳嗽，vt。小心，3)小心，注意，近义词，和chful，the children played under the watch ful eye of their father。孩子们在父亲的悉心照顾下玩耍。cautilus、we should not only be bold、but also be cautilous。我们不仅要大胆，还要慎重，反义词：粗心(adj)Tom is careless in preparing his lesson .

13、汤姆没有准备作业。A careless writer粗心作者a careless report的不准确报告，careful，He carefully attended to the wounded soldiers day and night .他日夜照顾伤员。carefulness insures you against errors。谨慎细致可以避免失误，Adv:carefully谨慎n:小心谨慎，drop，a few drops of water的水滴滴几滴，滴，滴，the apple blossom is beginning to drop。苹果树上的花开始落了。Drop by mei

14、顺便说一下，He dropped by my office this morning。今天早上他掐来了我的办公室。drop in对了，Do drop in if you happen to be passing！你偶然路过的时候进来坐坐。下拉列表；下拉列表。(风等)突然停止，The fruit has begun to drop down。水果开始落到地上。Litter，废物；垃圾，1)The streets were full of litter。街上堆满了废弃的废纸2) if you see litter in the corridor，pick it up。如果在走廊里看到垃圾，请捡起来

15、。同义词，waste常用词，概念广泛，意思是什么东西被抛弃了。家裤主要指有机废物，包括厨房里的剩菜或不能再用的食物。rubbish(鲁比什)也可以指一般的垃圾堆、破损的东西、用过的东西或无用的东西。也可以用作扩展。Trash .垃圾，废物；断了的树枝，碎片；胡说社会渣滓Junk:回收的旧汽车或大型机器也指没有实用价值或破烂的物体，但不是指垃圾。(词组，1)Minalitter混乱，混乱2)litter bag垃圾袋，拾到：chatter；Ripe apples pick easily。熟苹果容易摘。pick:挑选，挑选，it took her two hours to pick a dres that suited her。她花了两个小时挑选合适的衣服。词组，拾音：1)整理，整理：Lets pick up the living room。收拾卧室吧。2)搬运(客人、商品等):取货：1)选择，选择：picked out the best p