1. Have they ever come out and bitten people?
    它们曾经跑出来咬过人吗?

2. Ross first wanted to answer the simple question whether plasmodium could be found in a mosquito after it had bitten a malaria-infected person.
    罗斯首先要回答在蚊子叮咬过被疟疾感染过的人后，会不会在蚊子体内发现疟原虫这一简单问题。

3. Once bitten, twice shy.
    一次被咬，下次胆小。

4. I always get bitten by insects.
    我老是被虫咬。

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