一碰到的用法和樣例：
例句
-
我從未見(jiàn)到過(guò)這樣會(huì )睡的人。只要他的腦袋一碰到枕頭，他就會(huì )死一樣地躺在那兒，一動(dòng)不動(dòng)的，直到一覺(jué)睡醒。
I never knew such a sound sleeper! Once his head touches the pillow, he just lies there as still as death till he's wakened. -
一碰到潮濕我的關(guān)節炎就要復發(fā)。
Anything damp and my rheumatism comes back.
