这个时候，你还要教孩子们怎样建篝火。

And while you're at it, you teach the kids how to build a great campfire.

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教年轻人怎样打七叶树果游戏，怎样建洞穴，怎样生火，怎样露营的书籍都成了畅销书。

Books teaching young people how to play conkers, build dens and fires, and set up camp are bestsellers.

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嫦娥4号的部分使命就是探测怎样为人类建一个月球基地，包括探索人类是否能在上面种植食物和其他植物。

Part of Chang'e 4's mission (使命) is to see how a moon base could be built for humans, including exploring (探索) whether humans could grow food and other plant products there.

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