Bioeffect
生物效应
🗣️ 情景例句
What are your favorite subjects?
喜欢哪些课程？
I know the boy whose father is a medical doctor.
我知道那个男孩的父亲是医师。
Let us suppose that a child suddenly crosses the road in front of you.
让我们假设一个小孩子突然在你前面穿过马路。