来源：互联网转载汉语翻译：
同时, 曾经英语解释：
副词 at one time:
simultaneously同义词：at a time, at once
at a previous time;同义词：once, formerly, erstwhile, erst
例句：My brain can't hold so much information at one time.我脑子一下子记不住这麽多信息。
At one time, she is fine, but at another, she is abnormal.有时候，她表现得很好，有时候又失常。
It's a physical impossibility to be in two places at one time.同时在两地是自然规律上不可能的事。
The two continents were connected by a land mass at one time.这两个**曾经由一大片陆地连接着。
An amount of food taken into the mouth at one time; a mouthful.一口食物; 一口，少量一次吞入口的食物量; 一口的量
All the copies of a publication printed at one time from the same set of type.印数，印次用同一个版本一次印刷的所有印刷物
He was at one time so devoted to piano playing.他曾经那么沉迷于弹钢琴。
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