安检犬勤勉地嗅闻着行李，它受过训练，能探测出任何违禁物品。
The security dog sniffed diligently at the luggage, trained to detect any prohibited substances.
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sniffed英 /snɪft/|美 /snɪft/
解释
sniffed 是动词 sniff 的过去式，sniff 的意思是"用鼻子嗅、闻"，指动物或人通过鼻子吸气来辨别气味的行为。
The security dog sniffed diligently at the luggage, trained to detect any prohibited substances.
sniffed 是动词 sniff 的过去式，sniff 的意思是"用鼻子嗅、闻"，指动物或人通过鼻子吸气来辨别气味的行为。