n.拇指( thumb的名词复数 )；（手套的）拇指部份； 双语释义：n.(名词)[C]拇指 the short thick finger at the side of your hand英英释义： thumbn.the thick short innermost digit of the forelimb同义词：pollexthe part of a glove that provides a covering for the thumba convex molding having a cross s