慢速英语:Highly Contagious Virus Sickens Millions, Costs Billions

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短语讲解：

1. If you have never heard of norovirus, you are not alone.

hear of 知道; 同意; 得悉
例句：How come you to hear of it?
你怎么知道的？

2. More than 200,000 people a year die from this virus.

die from 死于（某种原因，不包括疾病、过度悲伤等）
例句：Every winter some old people die from hypothermia.
每年冬天都有些老人死于体温过低。

3. He says norovirus is responsible for about 50 percent of all stomach and intestinal illnesses in those regions.

be responsible for 为…负责，形成…的原因; 主管
例句：You'll be responsible for anything wrong.
出了事唯你是问。

4. Lee hopes greater awareness will lead to control measures.

lead to 导致; 把…带到
例句：He speculated that this might lead to a success.
他推测这可能会导致成功。

5. Many times, people who work in restaurants or the food preparation industry feel obligated to show up to work even though they’re sick, because many folks are on wages and they can't afford to miss a day, even a day.

show up 显而易见; 到场; （使） 看得见
例句：His show off only serves to show up his ignorance.
他的卖弄只不过暴露了他自己的无知。