Ciss
[医]染色体原位抑制
🗣️ 情景例句
when Susan and Richard were babies?
当Richard和Susan还很小时？
I'd like to explain what makes this factory special.
我要向你说明本工厂的特性。
There are eighteen floors in the building, and he lives on the fifteenth floor.
这幢大楼有18层。他住在第15层。