His studies range over several subjects.

他的研究涉及好几门科目。

She'll range over 60 square miles in search of food.

她将在60平方英里的范围内寻找猎物。

The average person takes in a million or more calories per year, maintaining within a narrow range over the course of decades.

一般平均下来一个人一年要摄入一百万甚至更多的卡路里，但是在几十年里体重却一直保持在变化幅度很小的范围中。

The US Dollar index has made a nice move higher towards the top end of its multi-month sideways trading range over the past week or so.

过去几周里，美元指数比几个月交易价格范围已有所上扬。