Meanwhile, openings in the northeast corner are surrounded by angled aluminium frames that reflect indirect light into the building.

同时，东北角的开口处设置了呈一定角度的铝框架，使建筑内部获得间接照明。

youdao

More expensive kites have frames made of aluminium.

更昂贵的风筝有铝制的框架。

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The frequent incidents over the past month have highlighted the danger of loose and corroded aluminium window frames.

意外频频发生，突显铝窗松脱和侵蚀的危险。

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With space-frames, car makers can clip extruded tubes or sections made of steel or aluminium on to a basic floorpan.

ECONOMIST: Cars