thumb是什么意思

n.拇指; (手套的)拇指部分v.翘起拇指请求搭乘(过路汽车); 示意请求搭便车; 用拇指摸; 用拇指捋 复数：thumbs过去式：thumbed现在分词：thumbing第三人称单数：thumbs过去分词：thumbed 牛津词典 noun 拇指the short thick finger at the side of the hand, slightly apart from the...