一天又一天的体力劳作就够他遭罪了，然而此外，他还患上了关节痛和咳嗽。 这都是由于长期在阴冷潮湿，乌烟瘴气的地下环境工作造成的。
While the day-to-day physical work has bulked him up, he also suffers from joint pains and a cough, owing to the cold, damp and dusty environment underground.
做有氧运动可增加心肺的伸缩，以提高心肺功能，有益于抵御长期的劳作和加班带来的压力。
It promotes our heart and lung function by increasing their expansion and contraction, which is beneficial for resisting pressure from longtime labor or extra-strength work.
他肤色黝黑，像个长期顶着太阳在田间劳作的农民。
He had the swarthy complexion of someone who had spent a fair amount of time under the sun, working the land.
他肤色黝黑，像个长期顶着太阳在田间劳作的农民。
He had the swarthy complexion of someone who had spent a fair amount of time under the sun, working the land.
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