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.

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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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Sleeping sickness is spread by the bite of the tsetse fly.

昏睡症由孑孓蝇的啃咬传播.

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The tsetse fly is a bearer of sleeping sickness.

采采蝇为传染昏睡病的媒介.

辞典例句