慢速英语:狗狗被训练发现低血糖人群 可以拯救生命

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detect - v. to discover or notice the presence of something hidden

paw - n. the foot of an animal that has claws

swab - n. a small amount of material taken with a swab as a sample from a person's body

sweat - n. to produce a clear liquid from your skin when you are hot or nervous

subtle - adj. hard to notice or see