美国最新研究表明，空气绝对湿度与流感病毒的传播有密切关系。
New US research indicates that the absolute humidity, which measures the amount of water present in the air, is the key to reducing the spread of flu.
美国最新研究表明，空气绝对湿度与流感病毒的传播有密切关系。
New US research indicates that the absolute humidity, which measures the amount of water present in the air, is the key to reducing the spread of flu.
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