Dogs are often used in search and rescue operations and to sniff for things like drugs and explosives.

VOA: special.2011.01.17

One may sniff traces of that air in the Funhouse.

也许人们可以在开心屋中闻到这些气息。

耶鲁公开课 - 1945年后的美国小说课程节选

So, if you only get a sniff of the tear gas in Barth, here you get a whole draught full of it.

如果你在Barth问到了一点催泪瓦斯的气息，那么你在这将感受到满是它的气味。

耶鲁公开课 - 1945年后的美国小说课程节选