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yawn
英/jˈɔːn/
美/ˈjɔn/
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01n.
哈欠
an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom
02v.
打哈欠, 裂开
utter a yawn, as from lack of oxygen or when one is tired
03v.
打着哈欠说
utter a yawn, as from lack of oxygen or when one is tired