It had been in the evening, and the face had a bluish cast.

当时是晚上，那张脸带着蓝色的光晕。

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Such defects can prevent enough oxygen from reaching the tissues, so the skin has a bluish cast.

这些缺损可阻扰足够的氧气到达组织，所以皮肤会呈现青紫色。

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The U. E. gray in some of the photos of me wearing it seems to have a bluish cast, but that's because of light from the bright, blue sky.

E 灰在一些我的着装照片中好像有一层蓝膜，而这是来自晴朗的碧空的光线， U。

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