不可以加ing,因为smell是系动词
过去式 smelled 或 smelt,过去分词 smelled 或 smelt
现在分词 smelling,第三人称单数 smells
复数 smells,双语例句
I can smell the cake from a distance.
我从远处就能闻到蛋糕的味道。
2
The room was filled with a smell of coffee.
房间里满是咖啡香味。
3
After the rain, the sewers on the street smell.
下雨后,街上的下水道发出臭味。