当碳与氧结合形成一种无色、无味、无嗅的气体叫做二氧化碳，它比空气重，可以灭火。

When carbon unites with oxygen, it forms a colorless, odorless, and tasteless gas called carbon dioxide, which is heavier than air and will extinguish a flame.

youdao

他从一个脚印爬到另一个脚印，嗅着泥土，跟着路上留下的气味。

He crawled from print to print, sniffing at the earth, following the scent left in the tracks.

《柯林斯英汉双解大词典》

那条狗嗅我的鞋。

The dog sniffed at my shoes.

《牛津词典》

You begin to hear, or perhaps smell, the slight whiff of jargon that pervades theoretical writing. It often does so for a reason.

你开始听出，或者嗅出遍布理论文章中的术语的味道,这往往是有道理的。

耶鲁公开课 - 文学理论导论课程节选