There are a few hundred mosquito species in the genus Anopheles, but just a few are responsible for a great majority of the 600,000 annual malaria deaths.
在按蚊属的分类下有数百种蚊子，但仅有少数种类的蚊子要为每年600，000例因疟疾死亡病例中的绝大多数负责。
A: only certain species of mosquitoes of the Anopheles genus-and only females of those species-can transmit malaria.
答：只有按蚊属的某些蚊种—并且仅仅是这些蚊种中的雌性蚊子—可传播疟疾。
Malaria: a serious relapsing infection caused by protozoa of the genus plasmodium (see plasmodium), transmitted by the Bite of the Anopheles mosquito.
疟疾：由原生动物疟原虫属引起的复发性的严重原虫病，由按蚊属的多种蚊虫叮咬传染人。
Malaria: a serious relapsing infection caused by protozoa of the genus plasmodium (see plasmodium), transmitted by the Bite of the Anopheles mosquito.
疟疾：由原生动物疟原虫属引起的复发性的严重原虫病，由按蚊属的多种蚊虫叮咬传染人。
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