A.p.i. baum'e gravity
[机] A.P.I.波美比重单位
🧩 词语组成解析
🗣️ 情景例句
Before the barbeque let's sharpen all the knives.
烧烤之前先把刀磨一磨。
No man can do two things at once.
心无二用。
Some farmers have turned to keeping deer, and there are now about 3,000 deer farms in the country.
一些农场主已转向养鹿业，现在该国已有大约3000个养鹿场。