Teaching scenes and teaching details , the two basic categories of teaching theory research, provide a unique angle for the teaching research.

教学现场与教学细节构成教学论研究的一对基本范畴，这一基本范畴提供了教学实践研究的独特视角，具有丰富的研究空间。

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I know, from then on, that life is not always gives us beautiful scenes, but also gives us some tough experience teaching us how to be strong.

从那时起，我懂得，生活不总是给予我们美丽的一面，还会给予我们痛苦的经历，教会我们怎样学会坚强。

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Becann played the role until he eventually became too old, and even after retirement continued teaching younger students the part and helping out behind-the-scenes.

切班一直扮演天行者，直到年事已高，他退休后还继续教学徒们如何扮演这个角色，并在幕后充当帮手。

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