Stereocenter
立构(规正)中心
🗣️ 情景例句
You bet I do!
你可以打赌我当然认识。
I'm going to tell him what to do.
我正要告诉他应该如何做。
I left at 6:00 so that I could catch the train.
我六点钟出门，以便赶上火车。