时间: 2025-04-24 08:37:53
美: [θʌm]
英: [θʌm]
vt. 翻阅；以拇指拨弄；作搭车手势；笨拙地摆弄
vi. 用拇指翻书页；竖起拇指要求搭车
n. 拇指
最后更新时间:2025-04-24 08:37:53
词源分析：Thumb 源自古英语单词 "þuma"，其词根可以追溯到原始日耳曼语的 *thumbō，意为“拇指”。
历史背景：Thumb 在英语中有悠久的历史，早在公元前500年左右就已经被使用，广泛出现在古英语文献中。
课本：在**的英语教材中，thumb 通常出现在初中和高中阶段，强调基础词汇。在牛津和美国的教材中，常在小学阶段引入，作为身体部位的基本词汇。
正式与非正式语境：
特殊场合：在法律文件中，thumbprint（拇指指纹）常用于身份验证。
The thumb is essential for gripping.
He gave me a thumbs up for my idea.
She hurt her thumb while playing basketball.
The artist used his thumb to create texture in the painting.
In sign language, the thumb is used to indicate various letters.
[N-COUNT] Your hand has four fingers and one thumb. 大拇指
例：She bit the tip of her left thumb, not looking at me.她咬着左手的大拇指头，也不看我。
[V-T] If you thumb a lift or thumb a ride, you stand by the side of the road holding out your thumb until a driver stops and gives you a lift. (站在公路边) 竖起大拇指请求 (搭便车)
例：It may interest you to know that a boy answering Rory's description thumbed a ride to San Antonio.可能让你感兴趣的是，有个和罗里描述相符的男孩竖起大拇指请求搭便车到圣安东尼奥。
[PHRASE] If you are under someone's thumb, you are under their control, or very heavily influenced by them. 在…的控制下; 深受…的影响
例：I cannot tell you what pain I feel when I see how much my mother is under my father's thumb.我无法向你形容，当我看到母亲完全在父亲的控制之下时我有多么痛苦。