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This material is soundproof.
这材料是隔音的。
youdao
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Meanwhile, at the top of the stage is a movable soundproof cover made by high-tech material.
同时，舞台的顶部有能够活动的声罩，由高科技材料制作。
youdao
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Meanwhile, at the top of the stage is a movable soundproof cover made by high-tech material.
同时，舞台的顶部有能够活动的声罩，由高科技材料制作。
youdao