alum

alum读音音标

英 [ˈæləm]

美 [\'æləm]

alum意思解释

n.

明矾，矾；

白矾；

英英释义

n.

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

同义词：ammonia alumammonium alum

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

同义词：potassium alumpotash alum

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

同义词：alumnusalumnagraduategrad

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

双语例句

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。