adj. erubescent
misc. rubescent
他们认为，气候变暖和缺少阳光是造成瓢虫变红的原因。
The reason, they believe, is that a warming climate and fewer sunny days might be driving a shift in ladybug color.
有人，不是说的你，在交通灯变红的刹那冲过十字路口，然后突然看到交通摄像机。
You—well, not YOU—race through an intersection as the light turns red. And then you notice the camera.
叶黄素就是其中一种鲜明的黄色，而番茄红素是一种使得西红柿变红的类胡萝卜素。
Lutein is one that's a bright yellow. And lycopene is the carotenoid that makes tomatoes red.
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