yawn

n. 哈欠

vi. 打哈欠、裂開

vt. 打著哈欠說

學術名詞

• 呵欠：畜牧學
• 裂口：海洋地質學
• 裂開：海洋地質學

英文釋義

1. an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom
2. utter a yawn, as from lack of oxygen or when one is tired
3. be wide open