随着冬天的临近，白昼时间开始逐渐减少。
As winter approaches, the daylight hours begin to ___wane.
随着冬天的临近，白昼的光线逐渐减弱。
As winter approached, the daylight ___waned gradually.
随着夜晚的流逝，月光逐渐减弱。
As the night progresses, the moonlight ___wanes gradually.
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