Dimorphism
n. 同种二形, 二态性\\n[化] 双型; 双晶现象
🗣️ 情景例句
You can do it.
可以这样做。
When the police arrived, I was doing the housework.
当警察来的时候，我在做家务。
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。