Polymerphism
同质多晶体现象
🗣️ 情景例句
You are a terrific instructor, Jack.
你真是个了不起的教练 Jack。
I've got a terrible pain in my stomach.
我的胃很痛。
We have special river birthday parties in the summer.
夏天，我们为这条河举办特殊的生日宴会。