yawn
第三人称单数：
动词第三人称单数: yawns
更多词形：
名词: yawner | 动词过去式: yawned | 动词过去分词: yawned | 动词现在分词: yawning | 动词第三人称单数: yawns |
单词例句：
Over the years, there have been many theories for why people yawn.
多年来,社会上有很多理论,为什么人们呵欠。
His zealous but long speech made us yawn.
他那热情但冗长的演讲让我们打哈欠。
The meeting was one big yawn from start to finish.
那会议自始至终十分无聊。
He smothered a yawn behind his hand.
他用手挡住嘴遮掩自己打哈欠。
His long color=# cc0066> boring story made me yawn.
他的冗长的故事听得我直打呵欠。
She suppressed a yawn.
她想打呵欠却忍住了。
The play is a big yawn from start to finish.
那出戏从头至尾极其乏味。
Every few minutes he stopped to yawn and stretch.
每隔几分钟他就停下来打个哈欠，伸伸腰。
You shouldn't yawn when you're in class.
你不该在上课时打哈欠。