In lots of schools, if a student needs to bring a phone to school, his or her parents will have to write a statement and make sure that the phone is turned off during class.
在很多学校，如果学生需要带手机来学校，他或她的父母必须写一份声明，确保手机在课堂上是关闭的。
We couldn't help but doze off during his lecture.
他演讲时我们忍不住打瞌睡。
In a survey by the center of older workers who were laid off during the recession, just one in six had found another job, and half of that group had accepted pay cuts.
对在经济衰退期间被解雇的老员工中心进行的一项调查中，只有六分之一的人找到了另一份工作，其中一半的人接受了减薪。
He dozed off during the sermon.
在做礼拜时，他打瞌睡。
I always nod off during his lectures.
我总是在他演讲时睡着。
The flame went off during the gas shortage in Eastern Europe.
圣火在东欧天然气短缺期间熄灭了。
I tried all kinds of medical adhesive - more than once it fell off during class.
我试过各种粘合剂，可假耳还是在课上不止一次地掉下来。
Twenty percent of workers doze off during night shift. People aren't machines.
百分之二十的工作者在夜班工作的时候都困，人又不是机器。
Passengers will still have to keep their phones switched off during take-off and landing.
飞机起飞和降落的时候乘客还是不能开机的。
When the effects of alcohol wear off during the night, you'll probably be wide awake again.
当酒精的作用在夜间逐渐消逝时，你就会再次完全的醒来了。
With biofuels, the problems are caused by particles given off during their growth and manufacture.
而对生物燃料来说，引发问题的是种植和生产过程中散发的微粒。
American patent applications tailed off during the recession, but only after doubling in the decade before.
美国的专利申请数量虽然在衰退期间有所下降，但是在之前十年已经翻了一番。
Oxtail beef stew with "Sangre de Toro" is simmered for six hours, so that the bone comes off during eating.
用“SangredeToro”炖制的牛尾牛肉需要炖六个钟头来保证它的骨头中的味道可以在吃之中得到好的展现。
Most frequently, minds drifted off during personal grooming like taking a shower, shaving, and putting on makeup.
最频繁发生的是，思想往往在个人修饰时如淋浴、刮胡子和化妆期间游移开。
AM: One of the speakers on the podium yesterday even lost consciousness. He nodded off during another presentation.
问：昨天的论坛上，有个发言人甚至在别人的演讲上打瞌睡了。
Higher temperatures may also increase the risk of pests and parasites, because fewer will die off during the winter.
较高的气温也会增加生害虫和寄生虫的危险，因为冬季虫子死的更少。
If your cell phone goes off during an exam, I come up there. I grab your paper, I tear it in half, and I give you a zero.
如果你的手机在考试时响起的话，我会上前，将你的卷子拿过来，撕成两半，给你零分。
Bulgaria is still furious about having its gas supplies cut off during the Russian-Ukrainian gas row in January 2009.
2009年1月俄罗斯与乌克兰的天然气之争导致保加利亚天然气供应中断，对此保加利亚还愤愤不平。
Is his mobile phone turned off during times you normally can reach him, or does he claim not to have had any cell service for hours at a time?
他的手机会不会在你常联系他的时候关机或者不在服务区？
Also, the shower spray you use: usually these things are designed to be washed off during the next shower. Do you use it in the kids' bathtub?
另外，你使用的淋浴喷头：一般来说，它应该是在你的下次沐浴中被清洗干净的。那么你在孩子们的浴盆中使用强力清洁剂么？
Tourism is at middle-of-the-road levels: less than the crowds during peak periods, but more than when visitation drops off during low/off season.
在这个时期，旅游业一般处于中间状态：游客人数少于旺季，但又多余淡季。
Unlike most of those who sounded off during the affair, she has followed in detail the domestic Danish debate and interviewed many of the protagonists.
与在本事件中大叫大嚷的大多数人不同，她密切注意丹麦国内的争论，并采访了众多的主要参与者。
Certification requirements vary by state, but in 2007 elementary teachers earned $50, 040 on average, with the added bonus of time off during the year.
各个州还有不同的资格条件。在2007年，小学教师平均挣到50 040美元，额外还有每年假期的好处。
A number of local mutual fund managers — 'stocks for the long run' notwithstanding — have been seen sneaking off during their lunch hours to do the same.
很多当地的共同基金经理们也被发现在午餐时间溜出来做同样的事，尽管他们信奉的是“股票长期投资”。
That mechanism in the iPhone is used to detect when, say, it's pressed against an object, usually your head, to tell the display to turn off during a call.
在iPhone里使用的那种机制是用来在通话时感应，比如说，当它被按到一个物体上，通常是你的头，它会通知显示屏关闭。
Because it is free of oils and waxes it won’t slide off during the day, and we use highly absorbent ingredients like kaolin clay to reduce shine and oiliness.
因为它无油和无蜡，所以不会容易掉妆。而且我们使用了吸收性良好的高岭土来减少脸部的油光。
The future Hollywood star entered Harvard in 1988 and took time off during the second semester of his sophomore year to act in "Rising Son," a made-for-TV movie.
这位好莱坞未来之星在1988年进入哈佛大学，在大二时请假拍摄电影“Rising Son”，这是专门在电视上播放的电影。
Looking for non-ferrous items—things like badges, belt buckles, buttons, pendants and coins that would have been ripped off during the fighting—proved to be much more fruitful.
于是，考古学家转而寻找非铁质物件，比如徽章、皮带扣、纽扣、垂饰以及战斗过程中遗落的硬币。 这一次收获颇丰。
Looking for non-ferrous items—things like badges, belt buckles, buttons, pendants and coins that would have been ripped off during the fighting—proved to be much more fruitful.
于是，考古学家转而寻找非铁质物件，比如徽章、皮带扣、纽扣、垂饰以及战斗过程中遗落的硬币。 这一次收获颇丰。
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