Can we make space for an extra chair?

我们能不能腾个空再放一把椅子？

《牛津词典》

You can have your order delivered for an extra fee.

您可以额外付费让人送货上门。

youdao

Add it to salad or soup for an extra boost of nutrition.

用它来做色拉或汤，会额外增加营养素。

youdao

On the military side, the Chairman of the Senate Armed Services Committee, Democrat Carl Levin, says the plan calls for an extra 4,000 US trainers to work with the Afghan armed forces.

VOA: standard.2009.03.26

Local people would attack the Jews, or the Jews would try to set up an extra big meeting house for themselves, and it would cause local problems.

当地人攻击犹太人，或者犹太人企图建造超大的礼拜堂，引起各种问题。

耶鲁公开课 - 新约课程节选

but it's still, it's not that uncommon for people to have, spend an extra year at college because of

但是在大学多念一年也没什么不平常的，因为

五年级 - SpeakingMax英语口语达人

Note: As usual, wait to the end of the credits for an extra scene.

FORBES: Move Over, Top 10 List Of Best Superhero Movies: 'Iron Man 3' Is Here

Forced into my company for an extra hour, he might be brought to his senses.

NEWYORKER: Hand on the Shoulder

However, instead of bottling, it went into a second barrel for an extra couple of months.

FORBES: Making 46: Maker's Mark Produces First New Bourbon In Half A Century