happened
中文翻译
v. 发生（happen的过去式, 过去分词）
英文解释
v come to pass
v happen, occur, or be the case in the course of events or by chance
v chance to be or do something, without intention or causation
v come into being; become reality
v come upon, as if by accident; meet with
词态变化
原型:happen
变形:pd