Slender threadlike roundworms living in the blood and tissues of vertebrates,transmitted as larvae by biting insects.

 
  • 細長(cháng)如線(xiàn)的線(xiàn)蟲(chóng),寄生在脊椎動(dòng)物的血液和組織中,由咬人昆蟲(chóng)傳播其幼蟲(chóng)。
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