Microdeletions
(microdeletion 的复数) 染色体微缺失
🗣️ 情景例句
Well ...
嗯……
May I introduce you to my friend Susan?
恕我介绍一下我的朋友苏珊。
Because the Moon has only an eightieth of the Earth's mass,
因为月球的重量只有地球的1/8，