The lights changed from red to green.

交通灯已由红变绿。

《牛津词典》

The light changes from red to green.

交通灯由红色变成了绿色。

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The traffic light changed from red to green.

交通灯从红色变成了绿色。

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For instance, suppose you want to know if the baby can tell green from red.

比如,假设你想知道,婴儿是否能够区分绿色和红色

耶鲁公开课 - 心理学导论课程节选

Now in a stoplight, it only has three, one is tempted to say, variables plainly differing from each other: red, yellow and green we have two ways of thinking about the red light.

交通灯，三种灯，红黄绿，它们的颜色和彼此不能,我们有两种方式认识红灯的意思。

耶鲁公开课 - 文学理论导论课程节选

An Eco Illumination2 light turns from red to green as driving efficiency increases and provides an awareness of driving habits.

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As these Calgary buses approach an intersection, the lights go from red to green or stay green just a little bit longer.

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All she has to do now is maintain the mirage of Bob, faithfully turning his tag from green to red, from red to green.

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