You can always use opaque glass if you need to block a street view.

如果你需要挡住外面的街景，你随时可以使用不透明玻璃。

《柯林斯英汉双解大词典》

There was a shower with an opaque glass door.

有一套配着不透光玻璃门的淋浴设备。

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Fluoride is usually used as opacifier for opaque glass, but fluoride brings about pollution of environment.

氟化物是常用的玻璃乳浊剂，但污染环境。

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The solution was the electronic glass which becomes opaque.

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The flat panel displays, which make kaleidoscopic colors when jabbed with a finger, contain liquid crystal sandwiched between layers of glass or plastic which becomes opaque with an electric current.

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Glaze a building and make the glass transparent in the wintertime, opaque in the summer.

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