Uninfected mosquitoes become infected with the parasite by biting infected animals.
Uninfected mosquitoes become infected with the parasite by biting infected animals.
尚未感染疟疾的蚊子叮咬染病动物后也会感染疟疾。
Uninfected mosquitoes become infected with the parasite by biting infected animals.
尚未感染疟疾的蚊子叮咬染病动物后也会感染疟疾。