Polymerphism
同质多晶体现象
🗣️ 情景例句
You won't feel a thing.
你一点也没有感觉。
The distinction of our product is its light weight.
我们产品的特点就是它很轻。
We shall need two buses to meet people at the staton.
我们需要两辆公共汽车到车站去接人。