The population is increasing at about 6% per year.

人口以每年约6%的速度增加。

《牛津词典》

Air travel will continue to grow at about 6% per year.

乘飞机旅行的人数将以每年大约6%的速度持续增加。

《柯林斯英汉双解大词典》

It was about 6, 500 kilometers long and went across one fourth of the planet.

它大约有6500公里长，覆盖了地球的四分之一。

youdao

Besides the Fed's primary responsibility for setting U.S.monetary policy, it currently oversees about 6,000 large and small banks.

VOA: standard.2010.03.17

So, you might have noticed that we will have spent about 6 and 1/2 lectures just getting to the point where we have only one electron, so we're only up hydrogen so far.

你们可能已经注意到了,我们已经花了６周半的时间,来仅仅是讲到单电子问题的情形，我们现在只研究氢原子。

麻省理工公开课 - 化学原理课程节选

I studied German for about 6 months in Berlin.

我在柏林对德国进行了6个月的研究。

再没时间也要挤出来 - SpeakingMax英语口语达人

Alon USA Energy Inc shares are currently trading off about 6% on the day.

FORBES: Alon USA Energy (ALJ) Shares Enter Oversold Territory

Fortuna Silver Mines Inc shares are currently trading down about 6.3% on the day.

FORBES: Connect

The U.S. produced a total of about 6, 633.2 million metric tons of greenhouse gases in 2009.

FORBES: EPA Greenhouse Gas Inventory Shows 6 Percent Drop In CO2