at once马上,立刻,同时
all at once突然
once in a while 偶尔
apply for sth申请
apply to do sth 应用于
apply oneself to 专心致志于
run out枯竭(主动表被动,主语不能是人)
run out of(主语是人)
by the way顺便说一下
on the way在路上(在进行中)
in the way妨碍
get down to认真做
get through通
on demand一经要求就
demand on sth对…有需求
in demand
take sth for grant认为…是理所当然的
at once马上,立刻,同时 all at once突然 once in a while 偶尔 apply for sth申请 apply to do sth 应用于 apply oneself to 专心致志于 run out枯竭(主动表被动,主语不能是人) run out of(主语是人) by the way顺便说一下 on the way在路上(在进行中) in the way妨碍 get down to认真做 get through通 on demand一经要求就 demand on sth对…有需求 in demand take sth for grant认为…是理所当然的