酸酐

suāngān 〔名〕酸缩去水而成的化合物。简称酐。

• 九泉
• 九派
• 九牛一毛
• 九牛二虎之力
• 九重霄
• 九霄云外
• 九鼎
• 乞
• 乞丐
• 乞复
• 乞巧
• 乞巧节
• 乞怜
• 乞援
• 乞求
• 乞灵
• 乞讨
• 乞降
• 乞骸骨
• 也
• 也好
• 也罢
• 也许
• 习
• 习习
• hashish
• hashishes
• hash out
• hash out something
• hash out sth
• hash something out
• hash something ↔ out
• hash sth out
• hash tag
• hash-tag
• hashtag
• has learned lesson
• has learned their lesson
• has left the building
• has little to recommend it
• has much to recommend it
• has name on it
• has nothing to recommend it
• hasn't
• hasn't heard the last of
• has own life to lead
• hasp
• has paid debt to society
• has paid their debt to society
• hasps