to yawn
01
打哈欠, 因无聊或疲倦而张大嘴深呼吸
to unexpectedly open one's mouth wide and deeply breathe in because of being bored or tired
Intransitive
语法信息
形态构成
简单词
动作动词
规则
现在时
yawn
第三人称单数
yawns
现在分词
yawning
一般过去时
yawned
过去分词
yawned
例子
As the lecture dragged on, students began to yawn in boredom.
随着讲座的拖延，学生们开始因为无聊而打哈欠。
02
打哈欠, 张开
to be exceptionally large or wide, often in a way that appears open or gaping
Intransitive
例子
The canyon yawned before them, stretching for miles in both directions.
峡谷在他们面前张开大口，向两个方向延伸数英里。
Yawn
