Vacuation
n. 撤空, 抽空,排空
??? 情景例句
Don't forget to take lots of pictures.
別忘了照些照片。
In secondary school, children study history and geography.
中學的小孩會讀歷史和地理。
I've just called the Frist Aid Centre.
我剛才已經(jīng)給急救中心打了電話。