词典释义：
普通感冒
The most common colds cough is the obvious example.
最常见的伤风咳嗽就是明显的例子。
They are responsible for anywhere between a third and half of all common colds.
三分成之一至一半的普通感冒都由鼻病毒引起。
Prof Eccles said: A cold nose may be one of the major factors that causes common colds to be seasonal.
埃克勒斯教授说：“较冷的鼻子或许是导致普通感冒成为季节性疾病的一个主要原因。”
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