verb🔗Share回去，返回。 To return to a place after having been there at a previous time."After vacation, we will go back to school. "假期结束后，我们就要回学校上课了。placedirectionChat with AIVocabulary GamePractice Reading
verb🔗Share认识，交往. (of two or more persons) To have known each other for a certain length of time."Bill and I go back to college."我和比尔大学时候就认识了。timepersongroupChat with AIVocabulary GamePractice Reading
verb🔗Share追溯，回溯。 To extend into past time."Bill and I have a friendship that goes back years."我和比尔之间的友谊可以追溯到很多年前。timepasthistoryChat with AIVocabulary GamePractice Reading
verb🔗Share背叛，违背，抛弃。 (used with "on") To abandon, desert, betray or fail someone or something."My friend went back on his promise to help me with my project. "我的朋友背弃了他答应帮我完成项目的承诺。moralcharacterattitudeactionsocietynegativeChat with AIVocabulary GamePractice Reading
