释义
- to go up by one grade; to be promoted
- to escalate (in intensity)
- (computing) to upgrade
相关词汇
HSK 5词频 1,323部首 一副词 · 连词
in case (sth happens)
if
once (sth happens, then...)
when
in a short time
in one day
in case (sth happens)
if
once (sth happens, then...)
when
in a short time
in one day