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大拇指的英文是thumb。
读音：英［θʌm]，美［θʌm]。
释义：
n. 拇指；（手套的）拇指部分。
v. 翘起拇指请求搭乘（过路汽车）；示意请求搭便车；用拇指摸；用拇指捋。
例句：Hold the material between finger and thumb.
用拇指和另一指拿住这个材料。
其他：第三人称单数thumbs，复数thumbs，现在分词thumbing，过去式thumbed，过去分词thumbed。
短语：
green thumb特殊园艺才能
thumb through浏览
thumb piano拇指琴
thumb tack图钉
thumb wheel拇指转动
thumb up翘拇指
thumb的近义词
pollex
读音：英［＇pɒleks]，美［ˈpɑːleks]。
释义：n.大拇指。
例句：
Besides, the thread rope is respectively curled around the pollex and the middle finger and can prevent the cover body from falling off.
且该线绳分别卷绕于姆指及中指上，可防止套体脱落。
变形：复数pollices。
短语搭配：
Pollex damage拇指外伤
pollex extensus拇伸直
pollex flexus拇弯屈
pollex varus拇内翻
洋洋怕狗子
thumb [θʌm] n.1. 拇指2. (动物的)拇指；胫距3. (手套的)拇指部分4. 【建筑业】馒形饰；凸线脚5. [美国俚语]大麻烟卷vt.1. 用拇指翻查，用拇指匆匆翻动(书页)；(用拇指)弄坏，弄脏：例句: The pages were badly thumbed.书页给翻得脏极了。to thumb the pages of a book用拇指翻书页2. 用拇指按(或揿、摸等)；以拇指示意：例句: He thumbed the button.他用拇指揿按钮。3. (竖起拇指)要求搭乘过路汽车，向过路汽车作手势要求(搭车)：例句: He thumbed his way to Nottingham.他要求搭顺路车去诺丁汉。4. 拙劣地弹弄(钢琴等)；笨手笨脚地做vi.1. 用拇指翻(书页)(与through 连用)：例句: She was thumbing through the magazine.她在迅速翻阅那本杂志。2. [口语]作手势要求搭车短语1. a thumb in someone's eye[口语]让某人讨厌的人(或物)2. be all (fingers and)thumbs笨拙的，笨手笨脚的3. bite the (或 one's) thumb(s) at someone对某人嗤之以鼻，看轻某人，蔑视某人；侮辱某人；做出威胁的姿态 [莎士比亚用语，见《罗密欧与朱丽叶》第一幕第一场]4. by thumb以搭顺路车方式5. count one's thumbs[英国俚语]打发时间，消磨时间6. fash one's thumb (about)[苏格兰英语]使自己操心，使自己烦恼7. keep one's thumb on保守…的秘密，保密8. stick (或stand) out like a sore thumba. 像肿痛的拇指般翘起来b. 显得很不恰当；显得十分不自然c. 惹人注目，显而易见9. thumb one's (或a) nose (at)见nose10. thumb down[口语]反对；拒绝；抛弃11. thumbs down表示反对(或失败)的手势12. Thumbs down![俚语]不中用；糟糕；完蛋了13. Thumbs up!a. [俚语]b. 好哇!呱呱叫!要得!棒极了!c. 打起精神!别灰心![有时亦作 Put your thumbs up!]14. turn (或be) thumbs down表示不满意；表示反对；拒绝[亦作 turn down the (或one's) thumb]15. turn (或be) thumbs up称赞；表示赞成，表示满意[亦作turn up the (或one's)thumb]16. twiddle (或 twirl) one's thumbs旋弄(或抚弄)两手的大拇指；闲着无聊；无所事事17. under the thumb of someone顺从某人；受某人支配(或指挥、控制、影响)，在某人势力(或控制)之下[亦作 under someone's thumb]18. weigh the thumb[美国俚语](称东西时以拇指)压秤杆(以克扣斤量)19. whistle on one's thumb[苏格兰英语](在失望时做出毫无意义的小动作) 聊以自慰thumb [θʌm] n.1. the thick short innermost digit of the forelimb2. the part of a glove that provides a covering for the thumb3. a convex molding having a cross section in the form of a quarter of a circle or of an ellipsev.1. travel by getting free rides from motorists2. look through a book or other written material例句: He thumbed through the report3. feel or handle with the fingers以上来源于: WordNet 例句与用法We have a thumb on each hand.我们两只手上各有一根拇指。163.17.222.1We have one thumb on each hand.我们每只手各有一个拇指。store.taobao.comUse your thumb and forefinger to shape the meat mud into the round balls.利用拇指与食指所形成的圆圈，巧妙的将肉泥挤成球形，
