四年

• four years
• quadriennium
• quadrennium

例句

1. 美国总统选举每四年举行一次。
   In America, presidential elections are held every four years.
2. 她在四年中怀孕三次。
   She's had three pregnancies in four years.
3. 利物浦队正全力以赴准备四年後第三次赢获联赛冠军。
   Liverpool are chasing their third league title in four years.
4. 我国每四年一次人口普查。
   The census is taken one time every four years in our country.
5. 美国总统的任期是四年。
   The tenure of the US Presidency is four years.