Different colored lights were clearly visible on the bottom of the object.

不同颜色的灯都清楚对象的底部可见。

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If we ride at night, we should use bike lights or wear light-colored clothes.

如果在晚上骑车，我们就得使用车灯或穿浅色的衣服。

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If we ride at night, we should use bike lights or wear light-colored clothes.

如果在晚上骑车，我们就得使用车灯或穿浅色的衣服。

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