absence
n. 缺席，缺勤，不在；缺乏，没有；缺席期间，休假期间；不注意
复数 absences
例句
His absence went unremarked.
没有人注意到他不在场。
《牛津词典》
She did not mention her mother's absence.
她没有提到她母亲的缺席。
《柯林斯英汉双解大词典》
I can't think of any possible explanation for his absence.
我想不出他缺席的任何理由。
