Mike: is this lesson two?

迈克：这是第二课吗？

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After a short rest, we go on learning lesson two.

休息了一会儿，我们又继续学第二课。

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The multimedia has poured into the life and vigor for the teaching of "lesson two" in the university.

多媒体为高校“两课”教学注入了生机和活力。

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Dietitians and health experts say understanding how important our food choices are, and learning a lesson or two from the world's healthiest nations, can help us live healthier,too.

VOA: standard.2010.02.23

One would think that Egyptian President Mohamed Morsi would have learned his lesson two weeks ago: Try not to bite the hand that you need to help feed your country.

FORBES: There He Goes Again: Egypt's Morsi Stuns U.S. Senators In Meeting With 'Jews-Control-Media' Slur

Lesson Two: Mistakes are forgivable.

FORBES: Ohio State Is Tressel-ized: The Lessons And The Future

The children also get a lesson in two of the three Rs (reduce, reuse, recycle).

CNN: Envisioning a world without garbage