The colours are magnificent, but the question of exactly why some trees turn yellow or orange, and others red or purple, is something which has long puzzled scientists.

这些颜色很瑰丽，但究竟为什么有些树会变成黄色或橙色，而有些树会变成红色或紫色，这个问题一直困扰着科学家。

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I like strong colors: red or purple are my favorites.

我喜欢亮丽的色彩：红色或紫色是我最喜欢的颜色。

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Youth should appear red or purple spring, but now only piece of the withered petals whirled in the wind.

少年时代本应呈现咤紫嫣红春天，可如今也只剩下片片凋零的花瓣在风中回旋。

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The leaves that form a head of cabbage can be purple,red or green.

VOA: special.2009.03.03

Healthy Arabica plants grow 10-12 feet tall and have dark-green leaves, white flowers and red or purple beans.

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The symptoms of bacterial meningitis are a very high temperature, stiff neck, and a blotchy red or purple rash which does not fade when the side of a glass is pressed against it.

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And makeover-wise, I wish the hair was slightly longer and lighter but with dark pink, red, or purple highlights.

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