N the infestation of wounded sheep by blowflies or maggots (羊的伤口)遭蚊蛆感染
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. '
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。
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