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来源:雅诚德英语网
When the rats detect the scent, they stop and rub their legs to indicate a sample of infected.
当老鼠发觉气味时,它们会停下来,并摩擦它们的腿,以表示被感染的样本。
When the rats detect the scent, they stop and rub their legs to indicate a sample of infected.
当老鼠发觉气味时,它们会停下来,并摩擦它们的腿,以表示被感染的样本。