odor

例句：

1. 1. The smell of fresh air is invigorating.
   新鲜空气的气味令人振奋。
2. 2. The restaurant has a unique odor that makes it stand out.
   这家餐厅有一种独特的气味，使其与众不同。
3. 3. The old book had a faint odor of mustiness.
   那本旧书有一股淡淡的霉味。