You shouldn't try to overexert yourself to reach a peak fitness level or train for a race.

你不可以用力过度来达到身体健康的巅峰状态，或者去为比赛而训练。

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Freezing mud that reached track level could derail a train, and rock salt kept the mud soft.

铁轨周围结冰的泥土会造成火车脱轨，岩盐可以使泥土保持松软。

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Help to train health workers, especially at community level.

协助培训卫生人员，尤其是社区卫生人员。

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Hundreds of motorists are continuing to risk their lives at train level crossings, Network Rail has warned.

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Two civic groups, the Regional Plan Association and Municipal Art Society, say the dingy, cramped and aging basement station can expand and modernize only if the Garden moves, along with its supporting columns that reach down to the train level.

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Enke, 32, was struck by a train at a level crossing near Hanover.

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