test by sniffing; try the smell of
draw air in through the nose so that there is a sound
"sniff the perfume"
"the sick student was sniffling in the back row"
He..frequently sniffed to see whether he could breathe properly.
出自： P. Roazen
She stopped crying and started sniffing instead.
出自： R. Pilcher
The room smelt of man and dog...Martin sniffed.
出自： J. Trollope
Police sent dogs into the crowd to sniff out the drugs.
The dog sniffed the fox out.
He says he can sniff out trouble before it starts.
If you sniff up this special drug, it will clear your head.
It is a preparation to be sniffed up through the nostrils.