详细解释:n. 哈欠
vi. 打哈欠, 裂开
vt. 打着哈欠说
相关词组:
with a yawn
词型变化：
名词:yawner动词过去式:yawned过去分词:yawned现在分词:yawning第三人称单数:yawns英语解释：
名词 yawn:
an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom同义词：yawning, oscitance, oscitancy