副詞 at one time:

1. simultaneously
   同義詞：at a time, at once
2. at a previous time;
   同義詞：once, formerly, erstwhile, erst

1. My brain can't hold so much information at one time.
   我腦子一下子記不住這麼多信息。
2. At one time, she is fine, but at another, she is abnormal.
   有時(shí)候，她表現(xiàn)得很好，有時(shí)候又失常。
3. It's a physical impossibility to be in two places at one time.
   同時(shí)在兩地是自然規(guī)律上不可能的事。
4. The two continents were connected by a land mass at one time.
   這兩個(gè)大陸曾經(jīng)由一大片陸地連接著。
5. 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
6. All the copies of a publication printed at one time from the same set of type.
   印數(shù)，印次用同一個(gè)版本一次印刷的所有印刷物
7. He was at one time so devoted to piano playing.
   他曾經(jīng)那么沉迷于彈鋼琴。