You need three A levels to get onto this university course.

你要参加这个大学教程，就需要通过三科高级证书考试。

《牛津词典》

What is the "Three a" principle in social communications?

社交中的“三A原则”指的是什么？

youdao

He topped three a game in five of the seasons, leading the league three times.

在这些赛季中，他在5个赛季中有3次场均抢断高于3个，3次领跑联盟。

youdao

States are competing to share in almost three and a half billion dollars as part of a school reform competition.

VOA: special.2010.07.22

Also we will have students doing workshops and problem-solving where the students will solve problems as a group, a group of three and turn in a common work sheet.

我们还有学生做研讨会,以及问题解决,从而学生可以以三人小组为单位,解决问题,最后上交平常的作业。

麻省理工公开课 - 媒体、教育、市场课程节选

And if you are prepared to stand up for about two and a half to three hours to watch a play,

而且你要准备好了站上大约两个半小时到三个小时，去看一场戏剧，

莎士比亚环球剧院 - SpeakingMax英语口语达人

Last year, we probably did two or three a day in each of our 11 clinics.

CNN: The Man Who Creates Miracles

He's with us in Studio Three A. Of course, you tuned in last week, didn't you?

NPR: Political Junkie: Democrats Duke It Out in Connecticut

"For pediatrics, we only see two or three a year, " he said, referring to Vanderbilt.

CNN: STORY HIGHLIGHTS