Mosquito three, mosquito four, mosquito jumping on the door.

蚊子三号，蚊子四号。蚊子跳上门。

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Dr Marka calculates that if there is a 6% chance that a mosquito will penetrate a light curtain, and a hut contains four curtains, then only one in 100,000 mosquitoes will be able to spread malaria.

马尔卡博士估算假如一只蚊子有6%的机会穿过光帘幕，并且一个草屋设有四道帘幕，那么在一百万只蚊子中仅有一只有机会能够传播疟疾。

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After the bite of an infected mosquito, onset of illness occurs usually between four and eight days but can range from two to 12 days.

被受感染蚊子叮咬后，通常在4 - 8天内发病，但也会在2 - 12天的范围内发病。

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The 11 rooms in the original buildings have a history-steeped charm, but I was more taken with the four Maya cottages, which have mosquito-netted swinging beds under palapa roofs, open-air bathrooms, and gracefully simple decor.

FORBES: Magazine Article

In Africa, the Anopheles gambiae mosquito is the principle carrier of the malarial parasite Plasmodium falciparum, the most dangerous of four different parasites.

BBC: NEWS | Science/Nature | Chemical key to mosquito biting