Examples
地球表面的三分之一是沙漠。
One third of the earth's surface is desert.
A third of the earth's surface is desert.
Source: Tatoeba
仅三分之一的成员出席了会议。
Only one third of the members turned up at the meeting.
Source: Tatoeba
地球的表面約有三分之一是陸地。
About one third of the earth's surface is land.
Source: Tatoeba
那個國家三分之一的人口是文盲。
One third of the population of that country cannot read.
Source: Tatoeba