He was a key figure in the campaign.

他是这场运动的关键人物。

《牛津词典》

Cost was a key element in our decision.

价钱是我们决策时考虑的主要因素。

《牛津词典》

Teamwork is a key feature of the training programme.

团队合作是这项训练计划的重要特点。

《牛津词典》

So I think it's a key when getting a job." Internships may offer little or no money.

VOA: special.2010.06.11

Now I could have made a key, keys don't have to be strings, but as it happened, I didn't.

现在我可以建立一个键了，键并不一定是字符串，但这儿既然已经是字符串了。

麻省理工公开课 - 计算机科学及编程导论课程节选

This is a key to his character; these two episodes are the two that we're given of Moses' life.

这也是他性格的一大特点;,这是我们所看到描写摩西生平的两个片段。

耶鲁公开课 - 旧约导论课程节选

Al-Hadi had been a key paramilitary commander in Afghanistan from the late '90s into this decade.

CNN: Pentagon: Top al Qaeda leader taken to Guantanamo

Despite being a key player over the years, Figo was substituted several times during Euro 2004.

BBC: Figo to take Portugal break

So the certainty in a time of economic uneasiness is a key part of his message.

WHITEHOUSE: Press Briefing