1·The vacuum has an unpleasant smell.
这个真空吸尘器有股难闻的气味。
—— 《柯林斯英汉双解大词典》
2·We deep fried fish three days ago in the kitchen, but the unpleasant smell stays.
我们三天前在厨房里炸过鱼，那股难闻的味道一直没散。
3·As days passed, and the children started to complain because of the unpleasant smell let by the rotten potatoes.
几天过去了，孩子们开始抱怨，因为腐烂的土豆散发出难闻的气味。
4·It's not an unpleasant smell.
这不是一种难闻的气味。
5·The liquid gives an unpleasant smell.
这种液体发出难闻的气味。
6·The gas gave off an unpleasant smell.
这种气体有一种难闻的气味。
7·The gas gives off an unpleasant smell.
这种气体发出一种难闻的气味。
8·Thee gas gave off an unpleasant smell.
这种气体有一种难闻的气味。
9·If only there is no such unpleasant smell.
要是没有这股难闻的气味就好了。
10·There is an unpleasant smell from this room.
这屋子里散发出一种难闻的气味。