Another type of facemask is pre-molded, adheres to the head with a single elastic band, and has a flexible adjustment for the nose bridge.是什么意思_Another type of facemask is pre-molded, adheres to the head with a single elastic band, and has a flexible adjustment for the nose bridge.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句