Biol.
[医] 生物学
🗣️ 情景例句
But it'll be better tomorrow.
但是明天就会好多了。
No safe wading in an unknown water.
未知水深浅，涉水有危险。
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？