[ 复数 moults 第三人称单数 moults 现在分词 moulting 过去式 moulted 过去分词 moulted ]
Plain Prinia undergo twice complete moult each year.
纯色鹪莺一年换羽两次，分别是春季换羽和秋季换羽。
参考来源 - 纯色鹪莺（Prinia inornata）繁殖生态及换羽研究·2,447,543篇论文数据，部分数据来源于NoteExpress
V-I When an animal or bird moults, it gradually loses its coat or feathers so that a new coat or feathers can grow. 脱毛; 换羽
Like most aquatic insects, mayflies moult as they grow.
像大多数水生昆虫一样，蜉蝣在成长过程中换羽。
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