在有雾霾的天气里，机器会吸进自行车前面的空气，然后向骑自行车的人的脸上吹出一股清新的空气。

In smoggy weather, the machine would breathe in the air in front of the bike and blow out a stream of clean air toward the biker's face.

youdao

不要使用商业空气清新剂。一个研究报告显示，长期暴露在空气清新剂的环境下会导致婴儿腹泻以及母亲头痛。

Don't use commercial air fresheners; one study found that high exposure to them is associated with infant diarrhea and an increase in headaches in mothers.

youdao

不要使用商业空气清新剂。 一个研究报告显示，长期暴露在空气清新剂的环境下会导致婴儿腹泻以及母亲头痛。

Don’t use commercial air fresheners; one study found that high exposure to them is associated with infant diarrhea and an increase in headaches in mothers.

youdao