The long winter starts from September and ends next May.
漫长的冬天从九月开始,到明年五月结束。
Seasonal influenza comes and goes (typically, it affects up to 20% of America’s population), with the virus evolving slightly from one winter to the next.
季节性流行感冒来来去去,通常会感染到美国人口的20%,而且每年冬天的病毒会因为持续演化而产生稍微的差异;
Colds are more common in the fall and winter because the cooler, wetter weather drives people inside, and viruses can more easily jump from one person to the next.
在较冷的秋季和冬季,寒冷更为常见,更为阴冷多雨的天气让人们呆在室内,病毒可以轻易的从一个人传给另一个。
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