thumb

n. 拇指

vt. 以拇指撥弄、笨拙地擺弄、用拇指翻舊、迅速翻閱、作搭車手勢

學術名詞

• 拇指：比較解剖學、動物學、醫學
• 姆指：資訊

英文釋義

1. the thick short innermost digit of the forelimb
2. the part of a glove that provides a covering for the thumb
3. a convex molding having a cross section in the form of a quarter of a circle or of an ellipse
4. travel by getting free rides from motorists