smell可数吗？
例句：
The smell of the sea took him back to his childhood.
大海的.气味使他回想起孩提时代。
Can you smell something burning?
你有没有闻到什么东西烧焦了？
Smell is keener in dogs than in humans.
狗的嗅觉比人的嗅觉灵敏。
例句：
The smell of the sea took him back to his childhood.
大海的.气味使他回想起孩提时代。
Can you smell something burning?
你有没有闻到什么东西烧焦了？
Smell is keener in dogs than in humans.
狗的嗅觉比人的嗅觉灵敏。
