However, food boxes' position with respect to the surroundings could be changed by revolving either the inner cage containing the birds or the outer walls, which served as the background.

但是，通过旋转鸟笼内部（鸟在里面）或者旋转充当背景的外墙，餐盒与周围环境的相对位置可能会发生改变。

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There were bare flower-beds on either side of it and against the walls ivy grew thickly.

它两侧各有裸露的花坛，常春藤靠墙长得茂密。

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The ions then either settle back into the walls of the pipes, making the pipes themselves radioactive, or continue to circulate, making the water radioactive.

随即这些离子要么重新回到钢管管壁中，致使钢管本身产生放射性，要么继续在水中循环，导致水也带有放射性。

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Surrounded by Arsenal and Liverpool team posters on either side of the walls, the blue-shirted workers meticulously cut and stitch pieces of leather.

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Interior walls can be either movable and modular or easily constructed bulwarks of studs and drywall.

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Those who escaped the convent walls have had no easy time either, the group said.

CNN: STORY HIGHLIGHTS