20-06-12 日本不同行业的几家公司都在加紧研发凉爽干燥的口罩，以帮助人们应对即将到来的酷暑。为防止新冠病毒的传播，日本民众将继续佩戴口罩。 Several companies in different fields are hurrying to develop cool and dry face masks to help people in the upcoming swelt...