拇的用法和樣例：
例句
-
踢進了那個球著實讓他高興，你看他的教練伸頭大拇指在鼓勵他呢！
He's absolutely delighted to have scored that goal! See his coach give him the thumbs up! -
經常吮吸拇指能使牙齒向外突出。
Thumb-sucking can cause protrusion of the teeth. -
我坐著無聊地旋弄拇指，等候他用完電話。
I sat twiddling my thumbs waiting for him to finish using the phone. -
他的拇指讓門夾了。
He caught his thumb in the door.
