Cold symptoms such as stuffy nose, runny nose and scratchy throat typically develop gradually, and adults and teens often do not get a fever.

感冒症状，如鼻塞、流鼻涕和喉咙发痒，通常是逐渐出现的，成年人和青少年通常不发烧。

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Scientists say that sleepwalking may sometimes happen when a person is sick, has a fever, is not getting enough sleep, or he has much stress.

科学家表示，一个人生病、发烧、睡眠不足或压力过大时，有时会出现梦游症状。

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Winter Gear - Wearing a jacket is usually not enough, if you have a high fever.

冬天的装备——如果你发高烧，穿一件夹克衫通常是不够的。

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The experiment showed that the bite of an infected mosquito was not a safe way to protect people from yellow fever.

VOA: special.2010.05.18

He died in 323, when he was not yet 33-years-old, and he died in Babylon of a fever, that is, of course, modern day Iraq.

他死于公元前323年，未满33岁，在巴比伦死于疟疾，也就是现代伊拉克。

耶鲁公开课 - 新约课程节选

The experiment showed that was not a safe way to protect people the bite of an infected mosquito from yellow fever.

VOA: special.2009.01.27

Not a bad way to overcome a bout of cubicle fever.

FORBES: Atlas Hugs: The Great Print-Versus-Digital Showdown

Those people who are currently ill with a fever should not receive the flu vaccine.

FORBES: 2013 Flu Season: How to Protect Yourself

Sometimes it's not possible to identify the cause of a fever.

CNN: Fever