Pnas
(PNA 的复数) [医] 巴黎解剖学名词
🗣️ 情景例句
Use a dictionary and grammar guide constantly.
经常使用字典和语法指南。
Keep thing seven years and you will find a use for it.
备而不用。
The boys felt tired so they put out the fire and crept into their tent.
于是他们扑灭了篝火，钻进了帐篷。