Nautisan
三氯叔丁醇
??? 情景例句
When you feel your life is threatened, just dial 999 to get help.
當你的生命受到威脅的時候，撥打 999 求救。
When the well is full, it will run over.
井水滿了要溢出。
We'll send a man right out to look at it.
我們馬上會派個人去查看。