I spend a lot of time in Britain but Paris is still my base.

我有很多时间在英国度过，但主要还是居住在巴黎。

《牛津词典》

Looking at a number of sources gives you a good knowledge base, but students only have a limited amount of time to work on each paper.

阅读大量的文献可以打下坚实的知识基础，但是学生们完成每篇论文的时间非常有限。

youdao

The units are the same as the time base register and the sum of the PURR values for both threads is equal to time base register.

这些单元与基准时间寄存器相同，并且两个线程的 PURR 值的总和等于基准时间寄存器的值。

youdao

Hyun adds,the North Korean leader also has to think about possible power succession, whether it happens right away or some time later- that is another reason to reinforce his power base.

VOA: standard.2009.06.22

Created by long-time base jumper and skydiver, Ossie Khan, and shot over a two-year period, Experience Zero Gravity reveals some of the most stunning base jumping locations in Europe.

BBC: Base jumping: The serene side we��ve never seen

Shipping costs were lower, for one thing, and using a just-in-time production base allows a carmaker to better respond to sudden shifts in market demand.

MSN: The hollowing out of Japan��s auto industry

What thrills the breed of scientifically minded baseball nuts known as sabermetricians is that Williams got on base an astounding forty-eight per cent of the time (he walked a lot), the highest on-base percentage in baseball history.

NEWYORKER: Playing The Numbers