Mike: is this lesson two?

迈克：这是第二课吗？

youdao

Lesson two: When in doubt, do more, not less.

教训之二：心中存疑时，要做的更多，而不是更少。

youdao

In lesson two, I show how I automated the leg's inner piston using the distance tool and a simple expression.

在第二课中，我表明我如何自动化腿的内活塞使用距离工具和简单的表达。

youdao

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