名词
中文翻译：遮光环
同义词：
['shadow ring', 'light filter', 'shade ring例句：1. The tree casts a shading ring over the garden.（这棵树在花园里投下了一片阴影。）']
例句：
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1. The tree casts a shading ring over the garden.
这棵树在花园里投下了一片阴影。
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2. The sun's rays were blocked by the shading ring of the clouds.
太阳的光线被云层的遮光环挡住了。
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3.The artist used a shading ring to soften the lines on the painting.
艺术家使用了一个遮光环来软化画作上的线条。