Here we have a photo with light and mid tones but no dark tone.

这里我们有一张有浅色调和中色调的照片，但是没有暗色调的。

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The calotype was revolutionary in its use of chemically treated paper in which areas hit by light became dark in tone, producing a negative image.

卡罗摄影法对化学处理纸的使用是革命性的，其中光照区域色调变暗，形成负像。

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Even if you have very dark or olive skin that doesn’t show a natural blush, the tone will add warmth and definition to the apple of your cheek, just remember to blend well.

就算你的皮肤是不会显示出自然粉色的黑色或橄榄色也没关系，粉色会为双颊的酒窝增加一抹暖色，也给你的笑容增添更多的内容，不过注意颜色要混合均匀。

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On the inside: My luxury package afforded me leather-trimmed bucket seats, a heated and cooled cup holder (appreciated in the heat) and a wood-leather wrapped steering wheel packaged in two-tone dark frost beige and light frost beige.

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The dark tone scared children and led to paranoia, a typical Thatcher-like approach, some might say.

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It is impossible, for they vary in tone from coffee-dark to milky white.

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