Oneinthree fourth-graders couldn't find their state on a map of the U.S.
四年级学生中有三分之一在美国地图上找不到自己所在的州。
《柯林斯英汉双解大词典》
2
Think about the probability: the chances of your line being the fastest are only oneinthree.
想一想这个概率：你的队伍最快的几率只有三分之一。
3
Oneinthree Americans who are at least 40 have or plan to have a job in retirement to prepare for a longer life, according to a survey conducted by Harris Poll for TD Ameritrade.