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词语打哈欠拆分为汉字：
打字的拼音、笔画、偏旁部首、笔顺、繁体字，打字字源来历，打字演变
1. 打 [dǎ]2. 打 [dá]打 [dǎ]击，敲，攻击：～击。殴～。～杀。放出，发出，注入，扎入：～炮。～雷。～信号。～电报。做，造：～首饰。～家具。拨动：～算盘。揭，破，凿开：～破。～井。举，提起：～灯笼。～起精神。涂抹，印，画：～……
哈字的拼音、笔画、偏旁部首、笔顺、繁体字，哈字字源来历，哈字演变
1. 哈 [hā]2. 哈 [hǎ]3. 哈 [hà]哈 [hā]张口呼气：～欠。～一口气。象声词，形容笑声：～～大笑。打～～（开玩笑）。伛，弯：～腰（稍微弯腰）。哈 [hǎ]方言，斥责：～他一通。姓。哈 [hà]〔～什蚂〕蛙的一种，雌的腹……
欠字的拼音、笔画、偏旁部首、笔顺、繁体字，欠字字源来历，欠字演变
1. 欠 [qiàn]欠 [qiàn]人在疲倦时张口出气：打哈～。身体稍稍向上移动：～身。短少，不够：～缺。～安。借别人的财物没有还或应当给人的事物还没有给：拖～。～账。……
查询词语：打哈欠，试一试，用打哈欠来写一句话，用打哈欠造句。
汉语拼音：dǎ hā qian
Students breathing pure oxygen did not yawn less than those breathing air with higher than normal levels of carbon dioxide.
呼吸纯氧的学生们并不比那些呼吸比通常水平更高的二氧化碳的人少打哈欠。Serena yawns, stretching her arms over her head, as she pads into the kitchen in her bare feet, where Nate's making nachos.
塞雷娜打哈欠，伸展她的手臂在她的头上，因为她把她的脚裸，在奈特的厨房垫使玉米片。He rubbed his eyes and yawned as though waking up after a long sleep.
他又揉眼睛又打哈欠，好像睡了一大觉刚醒似的。They did not cover their mouths when yawning and were not at all apologetic when they turned up late, he added.
他们在打哈欠的时候不捂嘴，当他们迟到的时候，也不道歉。Frowning, opening and closing of eyes and mouth, chewing, yawning, sleep, dizziness, epileptic seizures in healthy persons were induced.
健康人的皱眉、张开和闭上眼睛和嘴、咀嚼、打哈欠、睡眠、眩晕、癫痫发作被诱发。By mimicking the yawn we become better able to understand how tired, perhaps, or bored the other person is.
通过跟着对方打哈欠，我们能更好地理解和感觉对方有多辛苦，或者说多无聊。Many things connected to yawning, like being tired, make the brain hot, and yawning can reduce the heat, he said.
很多事情都与打哈欠有关，像无聊了啊，让头脑发热，而打哈欠可以减少这种热量。The tiredness theory of yawning does not seem to explain why yawning occurs.
打哈欠的疲惫理论似乎不能解释为什么打哈欠。The bear thought that a very queer name, but he hadn't wondered long over it before he began to yawn and gape, and fell asleep.
熊认为，一个非常奇怪的名字，但他没有不知道长在它之前，他就开始打哈欠和目瞪口呆，睡着了。伸懒腰打哈欠
stretch oneself with a yawn.
无聊的打哈欠
It's so boring and makes me yawn
打哈欠容易感染。
Yawning is often contagious.
又打哈欠又伸懒腰。
A yawn followed a stretch.
我们为什么打哈欠？
Why do we yawn
裂口，张嘴，打哈欠。
vi. To open the mouth wide yawn.
我还打哈欠呢。
Im still sleepy. Im still drowsy.
我不停的打哈欠。
I can not stop yawning.
打哈欠是什么的症状？
What is pandiculation symptomatic of
他一面打哈欠一面伸懒腰。
Being sleeping, he yawned and stretched himself.
她打哈欠, 暗示她很困。
Her yawn suggests that she is sleepy.
打哈欠是什么得症状？
What is pandiculation symptomatic of
打哈欠, 缺乏兴趣白日做梦。
Yawning or disinterested or doodling or daydreaming.
公共场合打哈欠不礼貌。
It is not polite to yawn in public.
愚蠢地盯着或打哈欠
To stare or gape stupidly.
她打哈欠，表示她很困了。
Her yawn suggests that she is sleepy.
这个电影看着直打哈欠。
This movie was yawn inducing.
你打哈欠了, 莫不是困了 吧
You are yawning. Could it be that you are sleepy
你打哈欠了，莫不是困了吧？
You are yawning. Could it be that you are sleepy?
为什么打哈欠和咳嗽会传染？
Why can be gape and cough infected?
你不该在上课时打哈欠。
You shouldnt yawn when youre in class.
在早早的黎明, 在你打哈欠之前
In the early dawn, before you yawn
这是那个东西打哈欠的地方。
Here is where the guy yawned.
你曾经想过你为什么打哈欠吗
Do you ever wonder why you yawn.
困倦的时候总会打哈欠连天。
Sleepy time Association giving the sky.
接着，爱丽丝打哈欠，伸展身体。
Then Alice yawned and stretched.
为什么鼻炎的人老打哈欠？
Why the person old gape of rhinitis?
然后他们开始打哈欠，我们也开始打哈欠。
Then they start to yawn, we start to yawn.
她打哈欠的样子表明了她很困。
Her yawn suggests that she is very tired.
你读到此时，可能便想打哈欠！
You may be yawning right now as you read this!
人从出生之时起，一直至生命的终止都会打哈欠。人为什么要打哈欠，其原因可能谁也说不清楚。
可能机理 一次打哈欠的时间大约为6秒钟，在这期间使人闭目塞听，全身神经、肌肉得到完全松弛。因此可以认为，打哈欠使人在生理上和心理上得到最好的休息，对人体具有重要的生理保护作用。有人认为打哈欠是脑缺氧的表现，人体通过哈欠的深呼吸运动使血液中增加氧气，排出更多的二氧化碳，从而使人精力更加充沛。人困乏的时候往往是哈欠不断，以提醒人体，表示大脑已经疲劳，需要睡眠休息，所以打哈欠也是一种催眠的方法。当人即将进入紧张工作之前，也常会哈欠连连，这可能是人体借助深吸气使血液中增加更多的氧气，提高大脑的活动能力。