n. an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom
v. utter a yawn, as from lack of oxygen or when one is tired
词态变化
过去式:yawned
现在分词:yawning
第三人称单数:yawns
复数形式:yawns
过去分词:yawned
常见例句
1
The involuntary spraying of saliva while yawning
2
In most cases the yawner doesn't realized it has happened only finding the aftermath once the yawn is over. > I just cobra yawned all over my keyboard five minutes prior to writing this definition.
3
To grin or yawn.
4
The bad taste in your mouth just after waking up from a nap. > "*Yawn* Man I just woke up and now I have nap mouth, god damn."
5
n drowsiness and dullness manifested by yawning n an involuntary intake of breath through a wide open mouth