happenvi.发生;碰巧;出现;偶遇
happen to coincide with不谋而合
happenings and comments事语
happening and development发生发展
Happening every two weeks.每两周一次的
Happening every two years.两年一次的
Happen to know his name?土块类
Happen to know the news?吃糕
happening source of transport交通发生源
Happening every two months.每两个月发生一次的
Happening every second year.每两年发生一次的