We all know that slacking off on dental hygiene is the first way to get cavities, but stress can also be a culprit, say experts, especially when you’re grinding your teeth at night or during the day.
我们都知道对牙齿保健的懈怠是诱发龋齿的第一因素，但专家称压力也可能导致龋齿，尤其是当你晚上或白天磨牙时。
In order to track temporal hours during the day, inventors created sundials, which indicate time by the length or direction of the sun's shadow.
为了在白天追踪时间，发明家发明了日晷，它通过太阳阴影的长度或方向来指示时间。
The coughing with asthma can occur during the day or at night.
哮喘咳嗽可发生在白天或晚上。
For example, ask NAO to wake you up in the morning, to watch your home during the day or to teach you new things whenever you want.
例如，让 NAO在早上叫醒你，在白天照看你的家，或者在你想学习新事物的时候教你。
Most people need seven or eight hours of sleep to feel their best during the day.
大多数人需要七到八小时的睡眠才能在白天保持最佳状态。
Some only sit up or get out of bed or act like how they often do during the day when they are sleeping!
有些人只坐起来或下床，或像他们白天睡觉时经常做的那样！
Sleepwalkers' eyes are open, but they don't see the same way as they do during the day, and they often think they are in different rooms of the house or different places.
梦游者的眼睛是睁开的，但他们看东西的方式与白天不一样，且他们经常认为自己在房子的不同房间或不同的地方。
So far, research suggests it may be possible to learn about the tone and pronunciation of a language or even the meaning of words while sleeping, although it is to a weaker level than what we do during the day without noticing.
到目前为止，研究表明，在睡觉的时候学习一门语言的语调和发音，甚至是单词的意思是可能的，尽管这比白天无意识学习的效果要差。
In fact, the risk of a person being murdered — probably by his or her mother — is 10 times higher during the first day of life than at any other time.
事实上，人类的一生中死亡几率最大的一天就是他出生的那一天，几率是其他任何日子的10倍以上，而犯人通常是他的母亲。
In addition, turn up, or off, the air conditioning or heater during the day.
补充一下，在这些天里开通或者关闭，空调和加热器。
But there will be days when cozy clothes are a must, like during finals or the day after a nasty breakup, so make sure you have them on hand.
但总有一天，比如在期末考试期间或者在和男朋友分手后，你会发现自己迫切需要舒适的衣服，所以务必在衣橱里备着几件舒适的服装。
In fact, the risk of a given person being murdered -- probably by his or her mother -- is 10 times higher during the first day of life than at any other time.
事实是，新生儿被杀害的风险—他或他的母亲—在他出生的第一天比其他任何时候高出10倍
But we pride ourselves generally on 5 or so minute response times at most hours during the day.
但是我们很光荣的告诉大家大多数的时间，我们都能在5分钟左右对大家的问题做出回答。
Participants who reported during the later interview spending three hours or more with their children during the day had the largest declines in hormone levels, the study found.
研究最后发现，随访的受试者如果每天花3个小时以上与他们的孩子在一起后，激素水平会下降到最低。
Mood episodes last a week or two-sometimes longer. During an episode, the symptoms last every day for most of the day.
情绪发作持续一两周或者更长。在每次发作期间症状持续几乎一整天。
More than half of children who use electronic media before bedtime may have mood or learning problems during the day, a preliminary study of 40 young people suggests.
一项对40名孩子的初步研究表明，睡前使用电子媒体的孩子大约会有一半人在第二天出现情绪或学习上的问题。
You relax during scheduled breaks, or when your work is done for the day, rather than whenever you start to lose focus on a task.
放松可以是计划好的中途休息，或者是等你这一天的事都做完了，而不是你做着做着走神了。
During the day, pitch a tent in the yard or give them a small magnifying glass to watch bugs and other creatures.
白天大家可以搭个帐篷或给他们一个小放大镜去观察虫子和其他什么生物。
Sometimes I get breakthroughs during other moments of the day-say, while running or walking-but nothing, so far, beats those a-ha moments in the shower.
我有时在其他时间也会获得突破，比如在跑步或走路时，不过到目前为止，还没有什么比洗澡更好的。
If you have extra 5 or 10 minutes during the day, just enjoy them.
如果你每天有空闲的5或10分钟，那就好好的享受吧。
Like a roommate from a horror movie, the beetle sometimes hangs out with its intended victims during the day in burrows or other shelters.
就像恐怖电影中的那些同住的人一样，在白天，这些甲虫在荫蔽处和它们预定的受害者一起生活。
Sleep experts say that if you feel groggy or tired during the day, feel the urge to nap, or if you fall asleep within five minutes of lying down, you could possibly be sleep-deprived.
睡眠专家们说如果你整天都感觉昏昏沉沉或疲惫不堪，很想要打个盹儿，或者是你躺下来五分钟内就去见了周公，你很可能已经处于睡眠剥夺的状态了。
Are you tired or unable to concentrate during the day?
你是否在白天时感到疲惫或是无法集中注意力？
During the day, if I’m really upset or my meds aren’t working, I can’t breathe so I am on it all day.
白天时，如果我非常沮丧，或者我的药物没有奏效，那我就无法呼吸，需要整天都用它。
Inactive during the day, they hunt for insects during the night and are almost impossible to see when at rest on a mossy or lichen covered branch.
它们白天不动，晚上猎捕昆虫。在多苔或地衣覆盖的树枝上休息的时候，你几乎不可能看见它们。
For years, scientists thought that neurons in the brain's suprachiasmatic nuclei, or SCN, regulated our body clocks by firing a lot during the day and less at night.
很多年来，科学家们认为大脑的视交叉上核(scn)是生物钟中枢，具体机制是此处的神经元白天比夜间更兴奋。
It sounds amazing, and means you can see during the day without the need for glasses, contact lenses or laser surgery.
真是不可思议啊！这意味着白天不用戴框架眼镜或隐形眼镜也不用做激光手术，就能看清任何东西。
It sounds amazing, and means you can see during the day without the need for glasses, contact lenses or laser surgery.
真是不可思议啊！这意味着白天不用戴框架眼镜或隐形眼镜也不用做激光手术，就能看清任何东西。
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