The painting started to drop down in its frame and was shredded by some blades hidden in the bottom of the frame.
那幅画从框中脱落掉下来，被藏在画框底部的刀片切成了碎片。
Experiments have also cast serious doubt on the belief that yawning is triggered by a drop in blood oxygen or a rise in blood carbon dioxide.
对于打哈欠是由血液中的氧气减少或血液中的二氧化碳增加引起的这种观点，一些实验也同样提出了严重的质疑。
He said by the end of the year, there was a 6 percent drop in the consumption of such drinks.
他说，到今年年底，这类饮料的消费量下降了6% 。
Life expectancies throughout the Caribbean and some Central American nations will drop into the 60s by 2010 when they would otherwise have been in the 70s without AIDS.
到2010年，整个加勒比地区和一些中美洲国家的预期寿命将下降到60岁，然而，如果没有艾滋病，这些国家的预期寿命将达到70岁。
Online shopping for the holiday season remained just a drop in the ocean of the estimated US$450 billion spent by US consumers.
在美国消费者估计花费的4500亿美元中，假日网购只是沧海一粟。
This essay examines the phenomenon of pro-drop in the English output by students of Chinese L1.
本文探讨了汉语L1学生的英语输出下降现象。
So far, those supply chains seem to be intact, partly helped by the sharp drop in the price of oil.
截止至目前，全球供应链似乎还完好无缺，一定程度上受到石油价格的剧烈下跌的帮助。
Yet there is no inherent reason why a drop in advertising must be followed by a rise.
但是为什么广告投放量下降之后就必须要上升，它们之间并没有内在联系。
Note that large volcanoes, like Pinatubo and Krakatoa, were followed by a fractional — but significant — drop in temperature.
注意到如皮纳图和喀拉喀托等大型火山爆发后是小幅度但很显著的气温下降。
Economists normally reckon that a $100 drop in wealth eventually reduces spending by $3-5 a year.
经济学家通常计算得出财产每下降100美元，每年的支出将减少3-5美元。
Gill Sperlein, a lawyer who works with the FSC, reckons some studios have seen sales drop by 30-40% in the past two years.
一位与FSC合作的律师吉尔·斯伯林估计，过去两年中有些工作室的销量下跌了30%-40%。
For much of the 1980s and 1990s, any decrease in interest rates was mirrored by a similar drop in the cost of risk capital, spurring innovation.
1980和1990年代的多数时期，任何利率的下降都会导致奉献资本成本产生近似的下降，从而刺激革新。
A steady drop in male incidence has been mirrored by a steady increase in female incidence.
男性肺癌的发病率在稳步下降，但女性肺癌的发病率却明显提升。
The Mount Pintaubo eruption in 1991 released more than 20 million tons of sulfur dioxide into the atmosphere, causing a drop in temperature by half a degree Celsius for about two years.
1991年皮纳图火山爆发时释放了超过20亿多吨的二氧化硫进入大气，致使两年左右气温下降了1度半。
Indeed, few could have foreseen that Tribune's AD revenue would drop by at least 15% in each quarter of this year so far.
的确如此，没有人能事先预知迄今为止论坛公司的广告收入于今年每个季度会下降至少15%。
The groups will be separated by separators in the drop-down menu.
这个组将通过这个下拉菜单中的分隔符被分开。
You can assign priorities easily by using the drop-down menu embedded in the list items (see Figure 17).
您可以使用列表中嵌入下拉菜单来轻松分配优先级(见于图17)。
With a bumpy recovery and weak demand conditions, unemployment remained high in the first quarter of 2010, followed by a drop in April, likely reflecting seasonal gains in employment.
由于复苏不稳定，需求较弱，2010年一季度的失业率依然居高不下，但四月份有所降低，这可能反映了就业的季节性增加。
For polio eradication, we have been encouraged by a 95% drop in cases in India and Nigeria.
在消灭脊髓灰质炎方面，印度和尼日利亚的病例减少了95%，令我们受到鼓舞。
You can assign priorities easily by using the drop-down menu embedded in the list items, as Figure 24 shows.
您可以通过使用嵌在列表项的下拉菜单，来早点分配优先级，如图24所示。
In the subtropical oceans, by contrast, phytoplankton populations drop off in summer.
相比之下，亚热带海洋的浮游植物的种群数量在夏季回落。
The results, starting from an extremely low base, were striking - growth averaged 6% in 1988-2004 except during the short-lived drop caused by the Asian financial crisis beginning in 1997.
结果，老挝在1988-2004年间，除了1997年受亚洲金融危机影响出现短期回落外，其经济从一个相当地的水平开始，以平均每年6％的增幅显著增长。
Slouching not only makes you look older than you are, it also leads to a huge drop in energy by decreasing your oxygen intake.
没精打采的坐着不仅让您看起来比实际年龄大，也会导致氧气摄入量减少而使精力大幅衰退。
Muscle breakdown stayed constant in both groups, consistent with previous research showing that muscle wasting is caused by a drop in muscle production, not an increase in muscle destruction.
肌肉破坏量在两个组中保持一定，这与先前的研究相符，即肌肉流失与肌肉合成量减少有关，而非肌肉破坏量的增加。
The decline was caused by a big drop in car sales, but sales also plunged at clothing stores, appliance outlets and furniture shops.
零售额的下挫主要是来自汽车销售额的大幅下滑，但服装商店、家电商场、家具店的销售额也明显下降。
At other times groups encourage social loafing, resulting in a drop in our productivity-sometimes by as much as 50%, perhaps more.
而在另一些时候，群体却鼓励磨洋工，导致生产效率以50%甚至更大的比例下降。
A previous study in rats showed that yawning was triggered by rapid increases in brain heat and was followed by a sudden drop in temperature, he added.
他还进一步补充说，此前在鼠类身上实验的结果表明，打呵欠是由大脑温度急剧升高引起，而打呵欠后大脑温度又会骤然下降。
This sharp rise in corporate saving was countered by a drop in the savings rate of Japanese households and, most importantly, by a huge-and persistent-increase in budget deficits.
企业储蓄的大幅增长是由日本家庭储蓄利率的下滑以及，更重要的是，大幅持续增长的预算赤字所支撑起来。
This sharp rise in corporate saving was countered by a drop in the savings rate of Japanese households and, most importantly, by a huge-and persistent-increase in budget deficits.
企业储蓄的大幅增长是由日本家庭储蓄利率的下滑以及，更重要的是，大幅持续增长的预算赤字所支撑起来。
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