alum是什么意思
2023-11-27 14:47:17
alum
n. [化]白矾；明矾；<口>校友(=alumnus/alumna)
近义词：alumnus，alumna，graduate，ammoniaalum，potassiumalum，ammoniumalum，grad，potashalum，
英英释义
Noun
- a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
- a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum
- a person who has received a degree from a school (high school or college or university)
- a double sulphate of aluminum and potassium that is used as an astringent (among other things)
例句
用作名词(n.)
- 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。