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单词 at a time(at one time)
释义 time , at a ~: at one ~— 1046
这两个短语不容混淆: at a time 作“每次”或“连续”讲,可以用于多种时态(参见词条 P.1047 ), at one time 则是“在过去某一段时间”的意思,只能用于一般过去时态(参见词条 P.1049 )。
例如:
Only thirty persons at a time were allowed in to see the pandas. 每次只允许 30 人进去看熊猫。
Usually she doesn't touch anything for two or so at a time. 她一连两三天不吃一点东西是常事。
At one time I used to swim in winter. 以前我习惯在冬天游泳。
It is said that at one time a highwayman lived in this house.
据说,以前有个强盗住过这栋房屋。
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英汉词典包含54938条英汉翻译词条,涵盖了常用英语单词及词组短语的翻译及用法,是英语学习的必备工具。

 

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更新时间:2025/1/22 19:49:26