all-time 是什么意思

	adj. 一时不闲的；专职的，全时工作的。空前的(an all-time record 空前的纪录)。

unsurpassed in some respect up to the present; "prices at an all-time high"; "morale at an all-time low"; "among the all-time great lefthanders"

	1.	He has created an all-time record . 他创造了一项空前的记录。
	2.	The plant 's steel output was an all-time high ... 该厂钢产量创历史最高水平。
	3.	The shop's sales have reached an all-time high in this very successful year . 今年该店的销售极为成功，纪录空前。

all-time是什么意思