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- one session every four years 四年一届
- The census is taken one time every four years in our country. 我国每四年一次人口普查。
- Time: One session every week for 4 hours. 时间：每周一次，每次4小时。
- In America, presidential elections are held every four years. 美国总统选举每四年举行一次。
- Leap year recurs every four years. 每四年闰年一次。
- Americans elect a President every four year. 美国人民每隔4年选一次总统。
- The Olympics shall be held every four years. 奥林匹克运动会每四年举办一次。
- We hold a popular election every four years. 我们每四年举行一次大选。
- A leapyear occurs once every four years. 每四年才有一次闰年。
- American election year comes every four years. 美国选举每四年举行一次。
- The Games were held every four years at Olympia. 古代奥运会每四年在奥林匹亚举行一次。
- The Olympic Games are held every four years. 每四年举行一次奥运会。
- A leap year occurs once every four years. 每四年才有一次闰年。
- A leap year occurs every four years. 每四年有一个闰年。
- They trade in their car every four years . 他们每隔3年就以旧汽车贴换新车。
- The Asian Games meet every four years. 亚运会每四年举行一次。
- Every four years such acclaim would echo. 这种欢呼，每四年都会来一次。
- Americans elect a President every four year . 美国人民每隔4年选一次总统。
- Jack: The IOC holds at least one plenary session every year. 杰克：国际奥委会每年至少召开一次全体会议。
- A President of the United States is inaugurated every four years. 美国总统的就职典礼每四年举行一次。
