| 释义 |
one at a time ： one by one--737
这两个状语几乎同义，都作“每次一个”或“一个接着一个”讲，只是 one at a time 是从大伙儿着想，而 one by one 则表达持续（注：后者是 by one and by one 或 by one and one 的省略）。
例如：
People can only pass through a turnstile one at a time. 人们只能一个一个地从转栅栏通过。（主语要用复数）
He counted out the coins one by one. 他一个一个地数硬币。
（主语不一定要用复数）
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