vi. 打呵欠,张开，裂开,
n. 呵欠,无聊的人或事,裂口
变形：过去式: yawned； 现在分词：yawning； 过去分词：yawned；
yawn可以用作动词
yawn的基本意思是“打呵欠”,指由于困乏或不耐心而表现出的把嘴张得大大地,深深地、慢慢地呼吸。引申可指“张开,裂开”。
yawn一般用作不及物动词。偶尔也用作及物动词,后接名词作宾语。
yawn用作动词的用法例句
His long boring story made me yawn.他的冗长的故事听得我直打呵欠。
He closed the book, yawned, and went to bed.他合起书, 打了个呵欠, 然后上床睡觉了。
The deep crevasse yawned at their feet.他们脚下的冰川有一道深深的裂缝。
1、She stretched her arms out and gave a great yawn.
她伸了个懒腰，打了个大哈欠。
2、She makes no attempt to stifle a yawn.
她忍不住打了个哈欠。
3、The debate was a mockery. A big yawn.
这场辩论实在可笑。简直是无聊透顶。
