Mindo
[化] 改进的间略微分重叠法
🗣️ 情景例句
Uh-uh.
嗯。
He gets more professional satisfaction from teaching.
从事教育职业，他更感受到职业上的满足。
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？