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Because it's a very intense job they have to be alert every moment.
因为是高度集中的工作,他们需要时刻保持警惕。
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$firstVoiceSent
- 来自原声例句
Because it's a very intense job they have to be alert every moment.
因为是高度集中的工作,他们需要时刻保持警惕。
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