一长长的观景台从它的外侧伸展开去，绕一圈朝着铁结构玻璃房转回来，紧靠着另一簇老旧的石楼，每栋房子顶上覆盖着橙色瓦片的屋顶。

A long belvedere stretched from its far side and rounded back toward an iron glasshouse, then to another cluster of olden stone buildings, each topped with orange-tiled roofs.

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最后，利用TC正交数组为簇级测试产生覆盖率广、相对少的测试用例。

Finally, we use TC orthogonal array method to produce relatively fewer test cases with broaden coverage.

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有丛毛的，羊毛状的：覆盖着一簇簇软毛的，如榅桲的果实。

Covered with tufts of soft hair, as the fruits of quince.

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