雅思单词yawn什么意思-yawn词组短语_例句_同义词

yawn意思

vi.打呵欠

张开,裂开

n.呵欠，乏味或枯燥的事物

yawn词组短语

to stifle a yawn止住呵欠;忍住哈欠;

yawn at对…不感兴趣

yawning neighbor伸着懒腰的邻居

yawning reflex呵欠反射

Cutting yawn最大剪切能力

yawning moment方向力矩

yawn ferociously使劲地打着呵欠

Energy Yawn能量呵欠

yawn近义词

n.

reflex,instinctive reflex,innate reflex,inborn reflex,unconditioned reflex,physiological reaction

v.

breathe,take a breath,respire,suspire,be

yawn例句

1.The meeting was one big yawn from start to finish.

那会议自始至终十分无聊。

2.Her yawn suggests that she is sleepy.

她打哈欠表示她很困了。

3.A great gap yawned between the rocks.

在岩石间有个大裂缝。

4.I felt so sleepy I couldn't stop yawning.

我感到很困，止不住地打呵欠。

5.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。