SAT scores began dropping in 1963; today, on average, 30% of students do not complete high school in four years, a figure that rises to 50% in poor urban neighborhoods.
SAT分数从1963年开始下降；今天，平均有30%的学生没有在四年内完成高中学业，这一数字在贫穷的城市社区达到了50%。
With standardized test scores in the U.S. dropping in recent years, some administrators believe students need to spend more time in the classroom instead of on the playground.
近年来，随着美国标准考试成绩的下降，一些执政者认为学生需要在教室里花费更多的时间，而不应该在操场上。
With standardized test scores in the U.S. dropping in recent years, some administrators believe students need to spend more time in the classroom instead of on the playground.
近年来，随着美国标准考试成绩的下降，一些执政者认为学生需要在教室里花费更多的时间，而不是操场上。
Natural soil fertility is dropping in many areas because of continuous industrial fertiliser and pesticide use, while the growth of algae is increasing in lakes because of the fertiliser run-off.
在很多地区，由于工业化肥和农药的持续使用，导致自然土壤的肥力正在下降，然而化肥的流入却导致湖泊中藻类生长得越来越快。
HIV's prevalence is dropping in southern India.
在印度南方艾滋病病毒的流行也开始有所下降。
The words were brave, but I was dropping in the polls like a rock in a well.
我的话听上去勇敢十足，但在民意调查中我的支持率却像石块掉进井中一般飞速下落。
I'm sorry I forgot to tell you I was coming. I hope you don't mind me dropping in.
我非常抱歉忘记告诉您我要来这，我希望您不介意我的突然造访。
It really annoyed me when he couldn't stop name-dropping in front of our new colleagues.
他在新同事面前不停夸耀自己和名人的关系，真的很讨厌。
Stud the lemon slice with 4 cloves before dropping in. Or garnish with a cinnamon stick.
放螺旋状的柠檬片和4颗丁香再杯口或饰以肉桂棒。
But when they hear that their collateral is dropping in value, they demand their money bank.
但是，当他们得知质押物正在贬值时，他们就会要求换回资金。
Before he could cry out or push her hand away, there was the sound of dimes dropping in the teapot.
他还没来得及喊出来或者把她的手推开，茶壶里一个一角硬币掉落的声音传了出来。
He recently posted on Facebook a video of himself and two dogs dropping in on Carla Bruni, his wife.
最近萨科齐还在他的Facebook上放了一段他带着两条爱犬拜访妻子卡拉·布吕尼的视频。
If you're passing the optician 's this morning, would you mind dropping in and enquiring for my new specs?
如果你上午经过那家眼镜店，你不介意进去问问我的新眼镜配好了吗？
We'll begin this project by dropping in some basic geometry and learning how to move around the 3d interface.
我们将首先在一些基本的几何下降和学习如何将围绕该项目的3D界面。
With transmission now dropping in so many areas, it no longer makes sense to treat malaria in shotgun fashion.
随着疾病传播在许多地区的减少，以简单直接的方式治疗疟疾已经不再合乎情理。
But the speed of sequencing has been increasing dramatically while the cost has been dropping in a similar fashion.
但是序列检测工作的速度已经大大加快，因为同样的工作模式下，成本已经大为减少。
Method: The treatment group used 1% ribavirin naristillae in the way of nose-dropping in addition of routine treatment.
方法：治疗组在常规治疗的基础上加用1%利巴韦林滴鼻液滴鼻。
They also help to organise them into study groups, and then supervise from afar, dropping in on discussions and marking tests.
老师们同样帮助学生组织学习小组，在远方监督他们，不时加入探讨、进行考试。
A bellwether survey of German firms by Ifo, in Munich, showed confidence dropping in April to its lowest in more than two years.
一项由慕尼黑ifo公司所进行的德国公司对未来前景预测的调查表明：在四月份商业信心跌至两年多来的最低点。
The organization has asked the city council for more money for the drug treatment centre, where so many young people are dropping in.
该组织请求市议会拨给戒毒中心更多的款，因为到这里来的年轻人非常多。
Have calculated average amount of chipping, average dropping in Angle of chipping and average distance from chipping to objective cabin.
计算出平均破片数，平均破片落入角，破片到目标舱段面的平均距离。
On a quarter-on-quarter basis, residential-property prices are dropping in 23 of the 45 countries surveyed by Knight Frank, an estate agent.
房地产经济公司KnightFrank的调查表明，按季度环比计算，在全球45个国家中23国的住宅不动产价格持续下降。
The two of them gone every weekend, then spending the week sleeping late and drinking early - and dropping in on Kevin without regard to the hour.
这两个家伙每个周末都出去，其他时间就在家里睡到很晚，然后早晨起来喝酒-他们还经常不分时候的来打搅凯文。
The minute I dropped out I could stop taking the required classes that didn't interest me, and begin dropping in on the ones that looked interesting.
从退学那一刻起，我就可以不再选那些我毫无兴趣的必修课，开始旁听一些看上去有意思的课。
I never began dropping in the middle of a conversation, but a few times when my wife and I got back to the car, I quickly fell asleep during the car ride.
我肯定没有和别人谈着谈着就睡着的经历，不过倒是有几次我坐上车就睡着了。
The minute I dropped out I could stop taking the required classes that didn't interest me, and begin dropping in on the ones that looked far more interesting.
当我休学之后，我再也不用上我没兴趣的必修课，把时间拿去听那些我有兴趣的课。
The last few steps included tweaking the facade material on my building design as well as dropping in entourage and lighting up the railroad crossing signals.
最后几步就是稍稍调整一下建筑的立面材料，点缀一下边缘，勾勒铁道的标志。
I was aware that several individuals were dropping in the level of their happiness and not coming up, which is one of the reasons why I didn't get here sooner.
我知道有几个人他们的幸福水平在下降中而不是上升中，这也是为什么我没有更快到这里的原因之一。
I was aware that several individuals were dropping in the level of their happiness and not coming up, which is one of the reasons why I didn't get here sooner.
我知道有几个人他们的幸福水平在下降中而不是上升中，这也是为什么我没有更快到这里的原因之一。
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