1.scent用作名词时意思是“气味,香味”,转化成动词时,指用嗅觉器官嗅出某种味道,引申则可指对将要发生的事情事先有所觉察或感觉到某事会发生,即“觉察到”“预感”。scent也可指“洒香水”。
2.scent多用作及物动词,后接名词或that从句作宾语。可用于被动结构。

scent out(v.+adv.)
〈非正〉嗅出 to find sb/sth by smelling
▲scent sth⇔out
The police were able in the end to scent out the criminals' hiding place.最后,警察终于查出了罪犯们的藏身之所。

用作及物动词
▲S+～+n./pron.
The cat scented a rat by a hole.猫在洞旁嗅出有一只老鼠。
Could you scent the fish?你能闻出有鱼的味道吗?
He scented a crime.他识破了一项罪行。
She scented the danger.她感到了危险。
 She used lemon juice to scent her hair.她用柠檬汁喷香头发。
The beautiful girl's coming seems to scent the air in the hall.美女的到来仿佛使空气中增添了香气。
Roses scent the air in spring.春天,玫瑰使空气中溢满香气。
◇ 用于be ～ed结构
It seemed that his handkerchief was scented.他的手帕上好像洒过香水。
▲S+～+that-clause
I scented that all was not well.我觉得什么地方出了问题。

［同义词］ n.  perfume, smell, track, trail
［词源］＜中古英语senten(感到,感觉)

The scent of lemons filled the grove.柠檬香味充满了小树林。
The winds came down with scents of the grass and wild flowers.微风送来阵阵青草和野花的香气。
The girl always uses too much scent.这姑娘总是用过多的香水。
The hounds followed the stag's scent.那群猎犬循臭味追寻牡鹿。
A dog has keen scent.狗具有灵敏的嗅觉。