1.But have you heard about thirdhand smoke?

但是你知道“第三手烟”吗？

2.But now researchers are warning about what they call thirdhand smoke.

但是，如今，研究者对他们所称的第三手烟发出了警告。

3.When I got my period at 13 – such an acutely self-conscious age – I begged my mum for a bath each night, but I had to settle for a cold sink wash and, when the night came, the thirdhand bath water.

当我 13 岁来月经时——这是一个自我意识非常强烈的龄——我恳求妈妈给我洗个澡，但我不得不接受冷水洗脸， 当夜幕降临时， 我还得用二手洗澡水。机翻