Arearatio
面積比
??? 情景例句
My visa is multi-entry; it allows me to exit the country and then re-enter, as ofter as I like.
我的簽證是往返簽證，我可以隨便進出這個國家。
The walls are three inches thick.
這墻3英寸厚。
Good. That's just what we want to hear.
很好，那正是我們想要聽的。