Anhydrid
n. 无水物;酐
🗣️ 情景例句
and lay them face down.
将牌盖住。
If he wants to make any changes,minor alternations can be made then.
如果他有什么意见的话，我们还可以对计划稍加修改。
the varieties are infinite; but two classes may be roughly seen.
鸟的飞行方式千差万别，但大体上可分为两类。