Polytypism
多型性, 多型现象
🗣️ 情景例句
That would be very helpful.
你这样做帮忙可大噢。
I've bee invited over to a friend's, and you?
有个朋友请我去作客，你呢？
She's not feeling well. I told her to stay in bed till tomorrow.
她感觉不好。我叫她在床上躺着，一直到明天。