Microdeletions
(microdeletion 的复数) 染色体微缺失
🗣️ 情景例句
You're right.
你说的对。
It's up to us to help those in need.
我们有责任帮助那些有困难的人。
It is used by travellers and business people all over the world.
在世界各地的旅行者及商人都用英语。