She spoke about the dangers of working too hard, of eating poor food, of houses without light, of dirt and other causes of disease.

她说，工作太辛苦，食物太简陋，屋里没有灯，不洁净等等都是危险的，都会导致疾病。

youdao

She spoke about the dangers of working too hard, of eating poor food, of houses without light, of dirt and other causes of disease.

她说，工作太辛苦，食物太简陋，屋里没有灯，不洁净等等都是危险的，都会导致疾病。

youdao