Opsimath
n. 晚年开始学习的人
🗣️ 情景例句
I'm sure Rita Mae will understand
我相信Rita Mae会理解的
Which one is cheaper?
哪一个是较便宜的？
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？