tsetse fly造句
Thetsetseflyisabearerofsleepingsickness.Thefatalinfectionbeginswiththebiteofatsetsefly.Itisspreadbythebiteofaninfectedtsetsefly(GlossinaGenus),aspeciesnativetotheAfricancontinent.Thepeoplemostexposedt...
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tsetse造句
Thetsetseflyisabearerofsleepingsickness.Thefatalinfectionbeginswiththebiteofatsetsefly.Thedisease,transmittedmainlybytsetseflies,isprevalentin37countriesamongthepoorestoftheworld.Thediseaseiscausedbyt...