Sleeping sickness is spread by the bite of the tsetse fly.
昏睡症由孑孓蝇的啃咬传播.
The tsetse fly is a bearer of sleeping sickness.
采采蝇为传染昏睡病的媒介.
The fatal infection begins with the bite of a tsetse fly.
昏睡症的致命感染始于采采蝇的一叮.
It is spread to humans through the bite of infected tsetse flies.
通过被感染的采采蝇的叮咬传染给人类.
In the same way , the tsetse fly transmits the, tiny organism that causes african sleeping sickness.
采采蝇就是用这种方法传播引起非洲嗜睡病的细小生物体.
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