alum
美音:
[´æləm
]英音:
[´æləm
]n.明矾,矾
难易程度:
alum为短语/超纲词汇
alum
/'æləm; `æləm/
n [U] white mineral salt used in medicine and in dyeing 明矾, 白矾(用于医药及染色).
alum
n[C]AmE informal
[Date: 1300-1400; Language: Old French;Origin:Latin alumen]
a former student of a school, college etc
a Crawford High alum