Aczoiling
(电杆)防腐
🗣️ 情景例句
Play it safe.
做事要稳妥。
A man cannot serve two masters.
一仆不能事二主。
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？