to smell something by taking air in through your nose
发音
例句
1. The police used dogs to sniff out the criminals in their hiding place. 警察使用警犬查出了罪犯的藏身地点。 2. When Munchie meets a dog on the beach, they sniff each other for a while. 当麦奇在海滩上碰到另一条狗的时候,他们会彼此嗅一会儿。