需要更多的研究来表明这种关系是否同样存在于其他物种和环境， 尤其是大陆生物和暖血动物。
More research will be needed to see if this same relationship holds for other species and environments, particularly land-based creatures and warm-blooded animals.
越南公共卫生官员已反复对食用以新鲜鸭血做的菜或生的或未充分煮熟的家禽制品提出警告。
Public health officials in Viet Nam have repeatedly advised against the consumption of dishes made with fresh duck blood or with raw or inadequately cooked poultry products.
不用担心研究用的蚊子不够，一位实习生把一碟羊血放到氏按蚊（一种传播疟疾的蚊子）的聚集地培养试验品。
There's ready supply of fresh recruits nearby, where an intern feeds a saucer of goat blood to a colony of Anopheles stephensi, one species of mosquito that transmits malaria.
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