Facebook
noun trademark uk/ˈfeɪs.bʊk/ us/ˈfeɪs.bʊk/
脸书（一家社交网站，可在上面展示个人信息，与人交流等）
the name of a website where you can show information about yourself, and communicate with groups of friends
Facebook
verb uk/ˈfeɪs.bʊk/ us/ˈfeɪs.bʊk/
facebook [ T ]通过脸书发信息（给某人）
to send someone a message on Facebook
I facebooked him and he told me where he lived on campus. 我在脸书上给他发了一条信息，他告诉我他在校园里的住址。