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Public support is urged to help control rat infestations in Hong Kong.防治虫鼠人员呼吁市民共同努力控制鼠患.These pigs had acquired lungworm infestations presumably containing masked influenza virus under natural conditions.这些猪在自然条件下已受到含有隐...
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Piperazine citrate is the drug of choice in the treatment of Ascaris infestations.枸橼酸哌嗪治疗蛔虫感染是最好的药物.These pigs had acquired lungworm infestations presumably containing masked influenza virus under natural conditions.这些猪在...
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n.（害虫、盗贼等）群袭，出没，横行( infestation的名词复数 )...