The ALA notes that it may be particularly difficult to tell when infants and preschool age children have the flu.

美国肺脏协会指出，判断婴儿和学龄前儿童何时会患流感可能尤其困难。

youdao

youdao

You have the flu.

你得的是流感。

youdao

And,unlike seasonal flu, younger people have suffered many of the serious cases and deaths from the virus.

VOA: special.2009.11.24

What happens is suppose you have the flu and you get very nauseous and then at the same point you eat some sashimi for the first time.

假设你得了流感，感觉非常恶心,与此同时，你又第一次吃了生鱼片。

耶鲁公开课 - 心理学导论课程节选

I didn't have the flu at the time but I became violently ill.

我那会并没得流感，但却病的很重。

耶鲁公开课 - 心理学导论课程节选

The man stays home from work again the next day, claiming to have the flu.

NEWYORKER: The TV

The idea is that people can immediately find out whether they have the flu or have no illness at all.

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Here are five things you can do when you have the flu, and five that are probably a waste of time.

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