n.凭感觉的方法，单凭经验的方法，经验法则，拇指规则...

n.图钉vt.用图钉钉住...

vi.翘起拇指请求搭乘（过路汽车），示意请求搭便车（thumb的过去式与过去分词形式）...

The prospect of waiting around just twiddling his thumbs was appalling.想到将要无所事事，他就非常害怕。I'm just going to be hanging around twiddling my thumbs.我只会闲呆着，什么事也不做。She checked the hall, then gave the others a thumbs-up sig...

I used my thumbnail to tighten the screw on my lamp.我用拇指指甲把台灯上的螺钉拧紧了。The thumbnail grows the slowest and the middle nail the fastest.拇指指甲长得最慢,中指指甲最快?The novelist only gave a thumbnail sketch of his characters.这位小说家对他作品中的...

thumbnail的音标：thumbnail的英式发音音标为：['θʌmneɪl]thumbnail的美式发音音标为：['θʌmˌnel]...

thumbs的音标：...

n.中世纪时在英国北方的王国...

n.拇指甲，极小的东西adj.极小的，极短的...

Does the new housing stick out like a sore thumb or blend into its surroundings?这个新住宅区是显得有点扎眼，还是和环境融为一体？She still sucks her thumb when she's worried.她在忧虑时仍然会吸吮大拇指。The opposable thumb allows them to pick up small ite...

笨手笨脚的...

thumb的一般过去时为：thumbed...