Support for this theory came from a study of yawning behavior in everyday life.
这一理论的支撑来自对日常生活中打哈欠行为的研究。
There's a yawning gap between rich and poor.
贫富之间有一条鸿沟。
Yawning may help you keep a cool head-literally, a new study suggests.
打哈欠也许可以帮你保持头脑清醒——一项新的研究如是说。
"Yawning is a really big deal," Provine said.
“打哈欠是一件大事，”Provinice认为。
Yawning is a sign that you are sleepy or tired.
打呵欠表示你困了或是累了。
She kept yawning as a hint that she was tired.
她不断打呵欠，暗示她累了。
I'm tried of his long stories . I'll give him a hint by yawning .
他的长篇大论烦死了，我来打呵欠暗示他一下。
I was yawning; it had been a long day and I was ready for bed.
我不由地哈欠连天；这可是漫长的一天，我想要睡觉了。
I was yawning; it had been a long day and I was ready for bed.
我不由地哈欠连天；这可是漫长的一天，我想要睡觉了。
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