您要查找的是不是：
- The leap year comes around once in four years. 每四年有一個閏年。
- Patty dawdled away four years in college. 帕蒂在大學里混了四年。
- She's had three pregnancies in four years. 她在四年中懷孕三次。
- Four years of college gave her considerable polish. 四年的大學教育使她更加完美。
- They began the club about four years ago. 他們大約在四年前創辦該俱樂部的。
- He's got a scholarship tenable for four years. 他已得到為期四年的獎學金。
- The President's term of office is four years. 總統任期為四年。
- The tenure of the US Presidency is four years. 美國總統的任期是四年。
- The four years of undergraduate study there was fruitful. 四年的大學本科學習收穫很大。
- You don't have to study for four years in Harvard to discover that. 這問題你不需要花四年時間，去哈佛大學研讀。
- Students may study full-time two years or part-time four years. 學生可選擇以兩年全日制或四年兼讀制修讀。
- The census is taken one time every four years in our country. 我國每四年一次人口普查。
- He majored in physics during his four years of college study. 大學四年他主修物理。
- Although he is only four years old, he is able to tell time. 雖然他才四歲，他就能看鐘表報時了。
- Liverpool are chasing their third league title in four years. 利物浦隊正全力以赴準備四年後第三次贏獲聯賽冠軍。
- She has been awarded first prize four years in succession. 她已連續四年獲得一等獎。
- This young man wants to study in the U.S. For four years. 這個年輕人想在美國學習四年。
- In America, presidential elections are held every four years. 美國總統選舉每四年舉行一次。
- He somehow bumbled through four years of college. 他胡亂地在大學里混了四年。
- Four years later Laura gave birth to a daughter. 四年後，勞拉又生了個女兒。
