it was time to sleep, he or she would tell the others by yawning and they would do it in return to show...一团). Worse, you can’t stop yawning (打哈欠).Yawning is common to humans and many animals. Cats, dogs and fish ……

With final exams around the corner, getting a good night’s sleep is very important. But an anxious...? Perhaps this yawning (打哈欠) alarm clock can help. According to Canadian online design magazine Yanko ……

叮铃铃，现在该睡觉啦！Do you become sleepy when you see or hear others yawning (打哈欠)? Most people do, in fact. Some clock designers (设计师) from India have made a clock that “yawns” and helps you go to sleep ……

it was time to sleep, they would tell the others by yawning and they would do it in return to show... and your hair is a mess. Worse, you can’t stop yawning (打哈欠).Yawning is common to humans and many animals ……

decided it was time to sleep, they would tell the others by yawning and they would do it in return... are bleary (模糊的) and your hair is a mess. Worse, you can’t stop yawning (打哈欠).Yawning is universal to humans ……

to sleep.” I feel sleepy. I look at my cat Suzy.Suzy is yawning on her mat. ...晚安，睡个好觉晚安，睡个好觉It’s night. It’s late. It’s time to sleep.It’s night ……

打哈欠可以给大脑降温。词数 353 建议阅读时间 7分钟YAWNING (打哈欠) sends out certain messages – it can be either “oh, this movie is so boring” or “I probably need to get some sleep”. But did you know that a yawn can also ……

“乐呵呵”的海豹LOOK at the seal! He looks like he is smiling. A photographer took the picture at a beach in the UK. But in fact, the seal is not smiling. He is just yawning (打哈欠) to pass time. ……

什么原因让你哈欠连天、困倦不堪呢？How can you tell your desk mate didn’t sleep well last night? He won’t stop yawning (打哈欠)! He is not alone. Many teenagers don’t get enough sleep. Why? Too much schoolwork is one ……

我们为什么会打哈欠？词数 360 建议阅读时间 5分钟 测试见7版YAWNING is often the first thing we do when we wake up, and we... to yawning, so it has long been believed that the action makes us feel more awake by stretching (伸展 ……

that “sleep can improve one’s memory.” It’s not a dream for students to study when they sleep. In fact, your... you to memorize the words while you sleep.What’s more, another scientist in the USA found ……

you go to bed on time. Set your bedtime on the clock. Then, you can see a character yawning (打哈欠). Also, you can hear the sound of yawning. Are you sleepy now? ……

助他们提高听力理解能力的一个课堂实例，听力原文如下:Professor Robert Provine has been studying yawning for the past two years... Provine’s students have helped him find out more about yawning．They agreed to be watched while ……

’t know about.A new study showed that sleep could improve people’s memories. It’s not a dream to study in your sleep. In fact, your brain is the boss of your body. It works in your sleep. If you study words ……

us to understand it.Is your classmate yawning (打哈欠) again? He or she didn’t get enough sleep – you... tired, so often? There are many reasons why teenagers don’t get enough sleep, including hormonal (激素 ……