The thumb is opposable to the forefinger.大拇指可与食指相对.He pinched the leaf between his thumb and forefinger.他将叶子捏在拇指和食指之间.Frannie shushed her with a forefinger to the lips.弗兰妮把食指放在嘴唇上让她安静。He took the pen between his thumb an...
Frannie shushed her with a forefinger to the lips.弗兰妮把食指放在嘴唇上让她安静。He took the pen between his thumb and forefinger.他用拇指和食指捏着笔。He pinched the leaf between his thumb and forefinger.他将叶子捏在拇指和食指之间....