We need an extra pair of hands if we're going to finish on time.
要想按时完成任务，我们就要再增加一个人。
Sure. I'll lend you an extra pair.
当然。我会借多的一双给你。
It did rain pretty heavily. I forgot to bring an extra pair of socks.
的确是下了很大的雨。我忘了带多一双袜子。
It did rain pretty heavily. I forgot to bring an extra pair of socks.
的确是下了很大的雨。我忘了带多一双袜子。
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