买口罩也要注意是不是医疗三层的哦！https://medium.com/@Cancerwarrior/covid-19-why-we-should-all-wear-masks-there-is-new-scientific-rationale-280e08ceee71 Tags: 3 comments 48 likes 36 shares Share this: Kandie Family About author not provided Kate + Andie + Aden + Avery @kandiefamily 110286 followers 103947 likes View all posts