她的眼睛睁得更大了，她凝视着海绿色的有花纹的天鹅绒，闪闪发光的黄铜、银和玻璃，还有像油池表面一样暗亮的木头。
Her eyes opened wider and she contemplated the sea-green figured velvet, the shining brass, silver, and glass, the wood that gleamed as darkly brilliant as the surface of a pool of oil.
最上面比较暗的冰层是去年冬天的雪，而中间比较亮的部分形成于去年夏天，最底部比较暗的部分又是更早一年冬天的雪。
The uppermost dimmer layer is snow from last winter, the bright layer in the center is last summer, and the dimmer layer at bottom is the winter before that.
你可以为暗部获得适当的曝光，或者为亮部获得适当的曝光，但通常你无法两者兼得。
You can get a proper exposure for shadows, or propper exposure for bright areas, but often, not both, and that can be a good thing.
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