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VOA慢速英语:研究表明小昆虫叮咬能引起肉过敏
2018-08-08来源:和谐英语
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allergy – n. a medical condition that causes someone to become sick after eating, touching, or breathing something that is harmless to most people
tick – n. a small insect that sucks the blood of animals
hysteria – n. extreme fear, excitement or anger which cannot be controlled
vast – adj. extremely large
symptom – n. a change that shows that a disease is present
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