thinned
/θɪnd/
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43330
make or become less dense, crowded, or numerous. "the remorseless fire of archers thinned their ranks"
noun [抽象名词] 揭薄
The morning mist gradually thinned. 朝雾渐渐地淡薄了。
verb [vt. 及物动词] 变薄(thin 的过去式)
The clouds thinned and the moon shone through. 云层渐稀,透出了月光。