Li Ming has been absent from class three times this week.

李明这个星期已经缺课三次了。

youdao

I attend an aerobic class three times a week.

我一周上三次有氧运动课。

youdao

He skipped chemistry class three times last month.

上个月他翘了三次化学课。

youdao

with her mother and brother. Safia says she wrote her first poem for a high school English class three years ago.

VOA: special.2009.04.17

And in 2005, we had a class that didn't trust each other at all I guess, because the average was twenty-three.

在2005年,我想有这个班的同学并不互相信任,因为平均值是23

耶鲁公开课 - 博弈论课程节选

There's a whole vast scholarship on this and two or three of the teaching assistants in this class are real experts on it.

荣誉的学问是很深的,这门课有两三位助教,对这方面很有研究

耶鲁公开课 - 美国内战与重建课程节选

He says this year the school could have filled its 2, 000-student freshman class three times over with applicants who scored in the top 1% nationally on standardized tests or high school transcripts.

WSJ: Business Schools Know How You Think,

James Rawson, Neil Robinson and Stefan Trofan, who won silver in the class three in Sydney, lost 3-0 to Germany, while Arnie Chan and Scott Robertson, in the class 5, were beaten 3-0 by Korea.

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Hence, in order to ensure effective literacy skills acquisition by learners, the KGALP provides participants with free and adequate learning materials, basic stationery and obligates them to attend classes three times a week (on average, each class is three hours long) over a period of six months.

UNESCO: Kha Ri Gude (Let Us Learn) Adult Literacy Programme (KGALP)