名词
中文翻译：多孔圆盘
同义词：
['permeable disc', 'porous ring例句：1. The porous disc is used to filter out pollutants from the air.（这个多孔圆盘用于过滤空气中的污染物。）2. The porous disc was made from a special material that allowed it to hold liquids.（这个多孔圆盘是由一种特殊的材料制成的，它可以容纳液体。）']
例句：
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1. The porous disc is used to filter out pollutants from the air.
这个多孔圆盘用于过滤空气中的污染物。
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2. The porous disc was made from a special material that allowed it to hold liquids.
这个多孔圆盘是由一种特殊的材料制成的，它可以容纳液体。
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3.The porous disc was used as a tool for measuring the size of objects.
这个多孔圆盘被用作测量物体大小的工具。