adj. lighttight ; opaque ; lightproof
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也许我的论文应该写那些不透光的塑料瓶。
Maybe my paper should write about those opaque plastic bottles.
youdao
你可以用不透光的眼罩把眼睛蒙住。
You can cover your eyes with an opaque eye mask.
不透光的物体会造成阴影。
Objects that do not transfer light cause shadows.
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