alums

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)

1. The university has a large network of alums who support its activities.
   这所大学拥有庞大的校友网络，支持着学校的各项活动。
2. Many alums returned to their alma mater for the annual reunion.
   许多校友回到母校参加年度聚会。