smell out

基本解释

Once we smell out something unusual, we should report it to the campus guard immediately.
一旦我们察觉到什么异常，我们就应该立刻向学校保安处报告。
Sniff would smell out the general direction of the cheese, using his GREat nose, and Scurry would race ahead.
嗅嗅可以用他了不起的鼻子嗅出奶酪的大概方向，匆匆则跑在前面开路。
As fire and debris fell, cars blew up; the air smelled of smoke and concrete, that smell that spits out of jackhammers chewing up pavement.
随着残骸和火焰的坠落，街上的汽车开始爆炸。空气中弥漫着烟尘和混凝土的气味--那种风镐敲碎路面时发出的气味。

As he walked out, he told a friend, "I think I can already smell the fresh mountain air of my home in Tennessee."
Dogs that are specially trained to smell landmines can be used to map out minefields.
Suddenly,a wonderful smell in the air made me get up and put out my hands.

"Physicians are concerned people will smell gas, pull out their AtroPen and start treating themselves, " says Allswede.
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