比如，普通的苍蝇通过产下几千颗卵来繁殖后代，这样每只苍蝇的基因就被复制了上千遍。
For example, the common housefly reproduces by laying several thousand eggs, so each fly gene gets copied thousands of times.
苍蝇把它们的卵注射到火蚁身上，苍蝇后来的蛆虫享用这些火蚁的头知道它们倒下。
The phorid fly injects its eggs into the ants, and the subsequent maggot feasts on the ant's head until it explodes.
寄生蜂和一些苍蝇会利用自己细长的产卵器将卵产在其他昆虫的卵内。
Parasitoid wasps and flies use their long ovipositors to thrust their eggs into the eggs and bodies of other insects.
它们会变得脏兮兮的，而且还会得蝇蛆病——就是苍蝇会在它们的羊毛中产卵，然后这些卵会孵化出蛆。
'They get dirty and develop a condition called flystrike, which occurs when flies lay eggs on their wool and these then hatch into maggots. '
它们会变得脏兮兮的，而且还会得蝇蛆病——就是苍蝇会在它们的羊毛中产卵，然后这些卵会孵化出蛆。
They get dirty and develop a condition called flystrike, which occurs when flies lay eggs on their wool and these then hatch into maggots.
“我们相信可能是苍蝇跑进他的耳朵里产卵，卵孵化成为幼虫，导致耳朵痒，”治疗这名男子的医生桑姆沙克？诺萨斯瑞说。
"We believe flies might have gone inside his ears to lay eggs, which hatched into larvae and caused the itching," said Somsak Nonthasri, the doctor who treated him.
“我们相信可能是苍蝇跑进他的耳朵里产卵，卵孵化成为幼虫，导致耳朵痒，”治疗这名男子的医生桑姆沙克？诺萨斯瑞说。
"We believe flies might have gone inside his ears to lay eggs, which hatched into larvae and caused the itching," said Somsak Nonthasri, the doctor who treated him.
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