拇的用法和样例：
例句
-
踢进了那个球着实让他高兴，你看他的教练伸头大拇指在鼓励他呢！
He's absolutely delighted to have scored that goal! See his coach give him the thumbs up! -
经常吮吸拇指能使牙齿向外突出。
Thumb-sucking can cause protrusion of the teeth. -
我坐著无聊地旋弄拇指，等候他用完电话。
I sat twiddling my thumbs waiting for him to finish using the phone. -
他的拇指让门夹了。
He caught his thumb in the door.
