Each lesson is broken down into several units.

每一课都分成几部分。

《牛津词典》

How long does each lesson of Fitness Fun last?

每节健身课持续多长时间？

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Children can sit comfortably and eat what they have cooked at the end of each lesson.

每节课结束时，孩子们都可以舒舒服服地坐下来吃自己做的饭菜。

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When I was talking to the camera, I had to prioritize in discussing each lesson.

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Each lesson is meant to distill advice that viewers can act upon immediately.

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Each lesson is designed to complement and build upon previous interventions.

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