Macrocycle
(包含15个原子以上的)大环
🗣️ 情景例句
I don't know why I didn't think of it.
我不知道为什么我没有想到这一点。
Don't you think she's cute?
你不认为她很可爱吗？
It was raining heavily and they found that a stream had formed in the field.
雨下得很大，他们发现地上已经形成了一条小溪。