之一

• one of (sth)
• one out of a multitude
• one (third, quarter, percent, etc.)

例句

1. 四分之一是一个真分数。
   One forth is a proper fraction.
2. 他被认为是本世纪第一流的作曲家之一。
   He is regarded as one of the classical composers in this century.
3. 人们普遍认为她是该国最优秀的作家之一。
   She is generally regarded as one of the best writers in the country.
4. 他们认为这本书是他的优秀作品之一。
   They reckon the book as one of his best works.
5. 碎骨是最好的肥料之一。
   Crushed bones make one of the best fertilizers.
6. 我们一起欢度的那个晚上是我最快乐的事情之一。
   That evening together is one of my happiest recollections.
7. 他递给我五分之一个蛋糕。
   He passed me one fifth of the cake.
8. 这是所做出的最重大的发现之一。
   It was one of the most important discoveries ever made.

短语

• 有
• 某某
• 某