蚯蚓做了使土壤透气的重要工作。

Earthworms do the important job of aerating the soil.

《牛津词典》

坚韧的叶鞘拱出了土壤，需要对突出体作辅助工作。

Tough sheaths push through the earth and do the backwork needed for the emergence.

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星期二的凌晨，当麦克唐纳通过土壤和泥浆发现了船浆的弯曲木材的时候，他们的工作才算取得了回报。

Early Tuesday morning their work paid off when McDonald spotted the curved timber of the ship poking through the soil and mud.

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