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n.浆液；血清；免疫血清；树液(serum的复数)（动物体内的）浆液( serum的名词复数 )；血清；（一剂）免疫血清； 英英释义： Serasera is a company that was founded in 1970 by Josef Ravnak, a seller of live pet food. Headquarters of the company are in Heinsberg (North-Rhine Westfalia), Germany.以上来源于:Wikipedia
