in relays的意思|示意
美 / /
英 / /
in relays相关例句
The repair crews worked in relays to fix broken pipes.
维修组轮番工作把破裂的水管修好.
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The men worked in relays to repair the railway.
工人轮班修理铁路.
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Rescuers worked in relays to save the trapped miners.
救援人员轮班工作以营救遇难的矿工.
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