Posterula
[医] 后鼻腔(鼻后孔与鼻甲间的空隙)
🗣️ 情景例句
Yes, she does. She works at home.
是的，她工作。她在家里工作。
I asked him to lend me a book , but he wouldn't.
我请他把书借给我，但是他不肯。
With the invention of writing, a great advance was made, for knowledge could then be not only communicated but also stored.
随着书写的发明，又迈进了一大步，因为这样一来，知识不仅能交流，而且能储存了。