某些种属的蚊子是黄热病病毒的贮主，因此根除黄热病并不可行。
Certain species of mosquitos are the reservoir of yellow fever virus; thus eradication of yellow fever is not feasible.
某些种属的蚊子是黄热病病毒的贮主，因此根除黄热病并不可行。病毒活动有时增强，导致流行爆发。
Certain species of mosquitos are the reservoir of yellow fever virus; thus eradication of yellow fever is not feasible. This viral presence sometimes amplifies into regular epidemics.
斯瓦特和印度河流域的洪水就像荷兰的黄热病蚊子一样，是形势可能恶化的象征。
The floods in Swat and the Indus valley are, like the yellow fever mosquitoes of the Netherlands, an indication that things could get worse.
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