"yawning" 的定义和意义

Yawning

打哈欠

an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom

yawning

打哈欠

showing lack of attention or boredom

打哈欠

gaping open as if threatening to engulf someone or something

打哈欠

with the mouth wide open indicating boredom or sleepiness

例子

His tired demeanor and frequent yawning suggested that he hadn't slept well the night before.

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