1.
A nematode worm(Syngamus trachea)that infects the tracheas of certain birds and causes gapes.
呵欠虫一种危害某些鸟类的气官并引起张口病的线虫（气管比翼线虫比翼属）
2.
yawned, sighed, forgot the beetle entirely,
打起了呵欠，叹了口气，把那只甲虫彻底地给忘记了，
3.
He yawned out a good-night.
他打着呵欠说晚安。
4.
He yawned and fell asleep.
他打着呵欠睡着了。
5.
She yawned during his lecture.
她在他演讲时打着呵欠。
6.
The old man yawned a reply.
那老人打着呵欠作答。
7.
Matvey waits and merely yawns.
玛特威等着，光是打呵欠。
8.
Tom yawned a reply.
汤姆边打呵欠边回答。
9.
Sid yawned, stretched,
希德打着呵欠，伸伸懒腰，
10.
He stretched his arms and yawned.
他伸展双臂打呵欠。
11.
He rubbed his eyes and yawned.
他揉揉眼睛打呵欠。
12.
A yawn is a silent shout.
呵欠是无声的叫喊。
13.
She suppressed a yawn.
她想打呵欠却忍住了。
14.
Bondy concealed a yawn
邦狄欲打呵欠又忍住了。
15.
Yawning is contagious.
打呵欠是有感染性的.
16.
Don't yawn in company.
在客人面前别打呵欠。
17.
Yan Lin yawned. "So when do we open?
颜林打了个呵欠：“什么时候开张呵？
18.
He got up with a stretch and a yawn.
他起来后伸伸懒腰，打个呵欠。