吃透英语课本，提升在校竞争力
v. 打呵欠
n. 呵欠
现在分词：yawning
第三人称单数：yawns
过去式：yawned
过去分词：yawned
复数：yawns
Kay shook her head and stifled a yawn .
凯摇摇头，忍住呵欠。
Rosanna stifled a huge yawn.
罗莎娜忍住了一个大哈欠。
Alan stretched and yawned.
艾伦伸伸懒腰，打了个呵欠。
vi.[生理]打呵欠；裂开
gap
seam
n.哈欠；裂口
breakage
chasm
vt.张开；打著呵欠说
splay
考纲分布
v/n. (打)哈欠
考纲释义
真题例句
A bigger question puzzling scientists is why we yawn at all.
困扰科学家的一个更大的问题是我们为什么会打哈欠。
[2019 连云港卷 阅读理解]
A growing body of research now shows that yawning is nature's way of keeping our brains cool.
越来越多的研究表明，打哈欠是大自然保持大脑冷静的方式。
It used to be thought that yawning showed that oxygen to the brain was not enough, but that's just a myth.
过去人们认为打哈欠表明大脑的氧气不足，但那只是一个神话。
v. 打哈欠; 裂开
n. 哈欠
