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来源:雅诚德英语网
When the rats detect the smell, they stop and rub their legs to indicate a sample is infected.
当老鼠嗅到这种气味时,它们会停下来,摩擦自己的腿,表明样本已经感染。
When the rats detect the smell, they stop and rub their legs to indicate a sample is infected.
当老鼠嗅到这种气味时,它们会停下来,摩擦自己的腿,表明样本已经感染。