甲烷

It's his job to sniff out abuses of power. 他的職責(zé)就是查究濫用權(quán)力的行為。

He cleared his nose with a loud sniff. 他大聲吸氣清了清鼻子。

My roommate sniff at my idea of becoming an artist. 我的室友對我要當(dāng)藝術(shù)家的想法嗤之以鼻。

It's their job to sniff out abuses of power. 他們的工作是對濫用職權(quán)的情況進(jìn)行調(diào)查了解。

Don't sniff at his effort. He's made great progress. 不要看不起他的努力。他已經(jīng)取得了很大的進(jìn)步。

One sniff of this is enough to kill you. 此物聞一聞即足以致命。