thumb英 [θʌm] 美 [θʌm]

n.拇指; (手套的) 拇指部份;

vi.翘起拇指请求搭乘(过路汽车)，示意请求搭便车; 翻阅;

vt.翻阅; 作搭车手势; 用拇指翻脏[翻坏](书页等)

[例句]He took the pen between his thumb and forefinger.

他用拇指和食指捏着笔。

[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

opposable-thumb与之相对的拇指opposable与之相对的双语对照词典结果：opposable[英][ə'pəʊzəbl][美][ə'poʊzəbəl]adj.可反对的; 例句:1.Our opposable thumbs and big brains gave us the tools to dominate the planet, but wisdom comes more slowly than physical hardware. 我们适合抓握物体的手指和容量巨大的大脑给予我们统治这个星球的手段，但是智慧要比身体素质来得慢得多。