复数
第三人称单数
现在分词
过去式
过去分词
an utterance expressing pain or disapproval
同义词:groan
indicate pain, discomfort, or displeasure
同义词:groan / sough
抱怨,悲叹;呻吟
beef about / repine
呻吟声;悲叹
regret / lamentation
抱怨;呻吟着说
beef about / rail against