Snapchat
noun [ U ] trademark uk/ˈsnæp.tʃæt/ us/ˈsnæp.tʃæt/
阅后即焚（一款社交媒体产品名称，用于发送图片、消息和视频，发送内容只能保存有限的一段时间）
the name of a social media service for sending pictures, messages, and videos that are only available to be seen for a limited amount of time