The satellites sit in a very special orbit that allows them to circle the Earth once in 24 hours.

这些卫星位于一个十分特殊的轨道，以便它们能每隔24小时环绕地球一周。

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When we begin to work, we sit together in a circle.

当我们开始工作的时候，我们围成圈坐好。

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If you take good care of him he will thank you for it: you can teach him lots of funny tricks: he can shake a paw, learn to sit, stay and lie down, turn around in a circle and beg.

如果你好好照顾他，他都会感谢你：你可以教给他很多有趣的把戏：他可以摇一爪子，学会坐，逗留和躺下，打开一个圆圈和乞讨。

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The boys sit in a circle as I try to get them to open up about their ordeal.

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