Stereocenter
立构(规正)中心
🗣️ 情景例句
The annual school sports meet is held in March.
每年一次校运会在三月份举行。
Geographically,this country is located in the southern hemisphere.
这个国家在地理上位于南半球。
He say he'll write a letter soon. He hopes we are all Well.
他说他很快会写信的。他祝我们大家身体好。