如何带口罩 Chinoiseries 《汉瀚》[中/英/日/韩/法] Mask Wearing: Green side faces external (block haze particles); White side faces internal (block gems like flu…). View original post Share this:TwitterFacebookLike this:Like Loading... Related Author: Chinoiseries2014 22CE World Lingua Franca View all posts by Chinoiseries2014