That's only three times more than a fruit fly and twice as many as a roundworm.
這個(gè)數(shù)字只是果蠅的3倍、線蟲(chóng)的2倍.
英漢非文學(xué) - 生命科學(xué) - 生物技術(shù)的世紀(jì)
Ascariasis is infection with the parasitic roundworm Ascaris lumbricoides.
蛔蟲(chóng)病是由一種叫蛔蟲(chóng)的寄生蟲(chóng)引起的感染.
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