Stereochemistry
n. 立体化学\\n[化] 立体化学
🗣️ 情景例句
What is it?
是个什么样的计划？
My uncle is a high school principal.
我的叔叔是一位高中校长。
He found it very difficult to get to sleep and he was rather angry with the man upstairs.
他觉得这样很难入睡， 他对楼上的人相当生气。