We offer customers a free home delivery service.

我们为客户提供免费送货上门的服务。

《牛津词典》

Our objective is a free, open, and pluralistic society.

我们的目标是一个自由、开放和多元化的社会。

《柯林斯英汉双解大词典》

Students have a free choice of courses in their final year.

学生在最后一学年可以自由选修课程。

《牛津词典》

In South Korea, President Obama and President Lee Myung-bak discussed a free trade agreement signed by their governments two years ago.

VOA: special.2009.11.21

When it breaks this bond, that chlorine atom, a free chlorine atom comes down and reacts, this is ozone, with the ozone in the upper atmosphere.

当它打破这个化学键，氯原子，一个自由的氯原子下来,和在大气层的上方的臭氧反应，这就是臭氧，在大气上层有臭氧。

麻省理工公开课 - 固态化学导论课程节选

It's a free music and art festival, it will be 11 am to 7 pm, all day and night.

这是一个免费的音乐艺术节，上午11点到晚上7点，一整天。

请记住我 - SpeakingMax英语口语达人

Korotich says many Russians now have become disillusioned by the complexities of life in a free society.

NPR: Russia Under Putin: Echoes of the Soviet Era

That gives her a free hand to help out a grown child with creditor or marital problems.

FORBES: Death, Taxes and Dice Rolling

She began volunteering at the Service Corps of Retired Executives (SCORE), a free business counseling and advice service.

FORBES: Retirement With A Purpose