1、每四年
） a score of people 20 人 two score of people 40 人 every four years 每四年；每隔三年 take part in = join in = participate in 参加 attend 出席 join sb (in doing sth) 和某人一起做某事 ..
2、每隔三年
） a score of people 20 人 two score of people 40 人 every four years 每四年；每隔三年 take part in = join in = participate in 参加 attend 出席 join sb (in doing sth) 和某人一起做某事 ..
3、每隔四年
... 每隔四年 every four years 每一四年一次 once every four years 每四年一次的 quadrennial ...
4、每四年一次
...clean the room at noon, and then shopping the afternoon watching TV, and finally to sleep 每四年一次 » Every four years 第二部分 发现她 发现A1 » Part 2 revealed that she found 1 A ..