Pure air is colourless and odourless.
纯空气是无色无臭的。
Her face was colourless, and she was shaking.
她脸色苍白，全身发抖。
Water is colourless in itself.
水本质是无色的。
The baby began to cry again, his face very pale and his lips colourless.
那婴儿又哭了起来，他面色苍白，嘴唇发青。
When (water is) pure, water is a colourless liquid.
水清时，是无色的液体。
The old man lived a colourless life because of the death of his wife.
这位老人因老伴的去世而过着无趣的生活。
The old man lived a colourless life because of the death of his wife.
这位老人因老伴的去世而过着无趣的生活。
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