alum

英 ['æləm] 美 ['æləm]

• n. [化]白矾；明矾；<口>校友(=alumnus/alumna)

英英释义

Noun:

1. a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum

2. a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum

3. a person who has received a degree from a school (high school or college or university)

4. a double sulphate of aluminum and potassium that is used as an astringent (among other things)

例句

用作名词 (n.)

1. You can clarify the water by adding a little alum.
   你在水里加一点明矾就能使水净化。

词汇搭配

• alum coal 明矾煤
• feather alum 毛矾石,铁明矾...
• chrome alum 铬(明)矾
• alum solution [机] 明矾溶液...
• dried alum 干燥明矾
• alum slate 矾石板,茂板岩,明矾...
• cesium alum 铯矾,硫酸铯铝...
• alum cake 明矾块,矾块,明矾饼...
• ammonia alum 铵明矾
• alum clay 明矾粘土,矾土,明矾...
• alum schist 明矾片岩,明矾页岩...
• potassium alum 钾明矾,钾矾,铝钾矾...
• alum shale 明矾页岩,明矾片岩,...
• sodium alum 钠矾
• burnt alum 烧茂,焦茂
• alum earth 矾土,明矾土...
• soda alum 钠明矾
• ammonium alum 铵矾
• iron alum 铁明矾
• potash alum (铝)钾矾,(钾)明...

近反义词

【近义词】

• alumnus 男毕业生
• alumna 女校友
• graduate 毕业生
• ammonia alum 铵明矾
• potassium alum 钾明矾,钾矾,铝钾矾,钾...
• ammonium alum 铵矾
• grad 毕业生
• potash alum (铝)钾矾,(钾)明矾...