Mammogenesis
乳腺发育
🗣️ 情景例句
if people took the time to read.
只要人们肯花时间去阅读。
He is rich enough who has true friends.
有真朋友的人是富翁。
planes, or land vehicles----for it is something in between a boat and an aircraft.
飞机，或是陆上交通工具，因为它是介于船和飞机之间。