宣府镇是明朝九边重镇之一，素有“九边冲要数宣府”的美誉。

Xuanfu town was one of the nine places of strategic importance in Ming Dynasty.

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然而驶进车站的是沙漠快车，它的九节车厢漆成漂亮的蓝色、橙色和白色，带有六边形的车窗。

Instead it is the Desert Express that pulls in, its nine coaches in smart blue, orange and white livery with large hexagonal Windows.

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将那些已习得偏好“高量喂食器”的九刺鱼放在一边，让它们看着同伴九刺鱼进行另一项测试，不过，这一次两个喂食器位置互换了。

The fish that learned to prefer the rich feeder were then allowed to watch their fellow fish feeding in a separate test but, this time, the two feeders had been swapped.

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