WORD BY WORD

thumb

英/θˈʌm/
美/ˈθəm/
01n.

拇指

the thick short innermost digit of the forelimb; the part of a glove that provides a covering for the thumb

02v.

以拇指拨弄, 笨拙地摆弄, 用拇指翻旧, 迅速翻阅, 作搭车手势