The smell of leather permeated the room.

屋子里弥漫着皮革的气味。

《牛津词典》

The smell of roast beef permeated the air.

烤牛肉的气味弥漫在空气中。

《柯林斯英汉双解大词典》

The smell of burning rubber filled the air.

空气中弥漫着橡胶燃烧的气味。

《牛津词典》

Back to the yellow-papered bedroom, the smell of cooked cabbage, the daily ride to work on the crowded street cars.

VOA: special.2009.04.11

So colours can be seen. Smells can't be seen, but of course, smells, you know, the smell of coffee can be sensed through the five senses.

颜色可以看得见，味道看不见，但是当然了，味道嘛，咖啡的味道能通过,其他的感官感知到。

耶鲁公开课 - 死亡课程节选

You smell and you think, "Is that Japanese? Is that Indian? What type of food is that?"

你使劲闻了闻，你在想“这是日本料理，还是印度菜？这到底是什么菜呢？”

What kind of 课堂 - SpeakingMax英语口语达人

When we climbed down a rickety ladder into the dark chamber, the smell of damp was overwhelming.

BBC: The gateway to Kilimanjaro

The smell of tanned saddle leather pervades the store, a warren of almost claustrophobically well-stocked small rooms.

FORBES: The Other Tuscany

At one point, the smell of laundry drifted into the dining room, a whiff of steerage.

NEWYORKER: La Promenade des Anglais