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）.
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
[Date: 1300-1400; Language: Old French;Origin:Latin alumen]
a former student of a school, college etc
a Crawford High alum
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