On a recent fall morning, a large crowd blocked the steps at one of Venice's main tourist sites, the Rialto Bridge.
最近一个秋天的早晨，一大群人堵住了威尼斯主要旅游景点之一——里亚托桥——的台阶。
Such a quantity of material would have blocked the sunlight completely from reaching the surface, plunging Earth into a period of cold and darkness that lasted at least several months.
如此大量的物质会完全阻挡阳光到达地表，使地球陷入至少持续数月的寒冷和黑暗之中。
The great bulk of the snowcapped pyrenees blocked the southern horizon.
比利牛斯山脉巨大的顶部被雪覆盖，挡住了南方的地平线。
The local fire department blocked the road with fire trucks and turned back motorists.
当地消防局用消防车把路挡住，让过往的车辆掉头返回。
Senate Republicans blocked the legislation before lawmakers left for their summer recess.
参议院的共和党议员在夏季休会前否决了这一法案。
Lawmakers raised security concerns and blocked the Sprint deal, and Amerilink disappeared.
国会议员提升了对于安全的担忧，同时阻止了和斯普林特的交易，Amerilink电信随后消失。
A drug that blocked the action of orexin led to a significant reduction in levels and increased the amount of sleep.
而阻止增食欲素起作用的药剂会导致淀粉样蛋白含量大大降低，并增加睡眠时间。
To improve the color saturation, I blocked the sunlight with my body. The blue background came straight from the camera.
为了降低光饱和的程度，我用身体挡住了阳光。
When we blocked the function of the ABCC9 homolog in the fly nervous system, the duration of nocturnal sleep was shortened.
当我们阻碍了果蝇神经系统中类似ABCC9的同种基因发挥作用时，果蝇的夜间睡眠时间就缩短了。
Originally great ice-fields blocked the western end of the lake - today its glacier-fed waters drain into the Pacific Ocean.
最初大片的冰块堵住了湖西面的尽头，现如今这些冰川水都汇入了太平洋。
A locked metal gate blocked the base of the staircase leading to the second floor making the downstairs room feel like a cage.
一面锁着的金属门挡住了通往二楼的楼梯基座，这让1楼得房子感觉像是个笼子。
It was Hezekiah who blocked the upper outlet of the Gihon spring and channeled the water down to the west side of the City of David.
这希西家也塞住基训的上源，引水直下，流在大卫城的西边。
Once one of these requirements is met, you can submit a removal request using the "Webmaster has already blocked the page" option.
一旦满足了其中的一个条件，你可以选择“网站所有者已经拦截该网页”，然后提交删除请求。
In Washington, a federal judge last week blocked the Food and Drug Administration from requiring new warning labels on cigarette packs.
在华盛顿，一名联邦法官上周驳回了食品和药品管理局提出的在烟盒上印新的警告标签的要求。
Rathore used a new technique, called RNA interference, to construct a genetic sequence that blocked the gossypol-producing enzyme in the seeds only.
拉索尔教授运用了一项名为核糖核酸（RNA）干扰的新技术，仅在棉籽中建立了一个阻断棉子酚生长酶的基因序列。
When the team blocked the release of this chemical signal with neutralizing antibodies, the blood-making cells went about their normal business.
当研究团队用中性抗体阻止癌细胞释放这种化学信号时，造血细胞就可以正常工作。
In each case, the glacier surged as much as two kilometers down the valley and blocked the Abdukagor River with ice DAMS as much as 100 meters high.
每一次冰川都顺着山谷向前冲击了大约2千米，冲击所形成的冰块大坝阻塞了Abdukagor河，使其标高达到100米之高。
Televised images showed bulldozers slowly clearing away mounds of mud and brush that blocked the roadway while rescue crews used shovels and hoes.
电视画面显示推土机正在缓慢地清理土堆、为道路清障，而救援队则使用铁铲和锄头一起清理。
Some 65 million years ago — as we've all come to know — an asteroid struck the earth, sending up a cloud that blocked the sun and cooled the planet.
在大概6500万年前——正如我们已经知道的那样——小行星撞击地球，带了云层阻挡住了太阳使得地球降温。
Efforts failed this week to lower a 100-ton steel containment dome onto the leakage site, because quickly accumulated methane hydrates blocked the device.
本周，工程队曾试图将一个100吨重的钢制屋形盖置于漏油点上，不过很快，不断积聚的甲烷冰堵塞了该装置，最终以失败告终。
Some kind of atmospheric haze might indeed have blocked the sun, making the planet too cold for the dinosaurs — it just didn't have to have come from an asteroid.
某种大气烟雾可能确实遮蔽了太阳光使得地球变得寒冷而恐龙适应不了——但这种烟雾不一定必须来自一颗小行星。
Subsequent cables showed that the United Arab Emirates blocked the transfer of the Siemens computers across the Strait of Hormuz to Bandar Abbas, a major Iranian port.
后来的电传显示，阿拉伯联合酋长国阻止了西门子电脑通过霍尔木兹海峡运往伊朗一个主要港口班达阿巴斯。
The team then showed in mice that stopping both the production and activity of CAMKK2 using sto 609, blocked the spread of prostate cancer cells and reduced the tumour size.
然后，研究小组在对老鼠的试验中显示，使用STO 609后，CAMKK2的产生和活性都被停止了，有效的堵塞了前列腺癌细胞的传播，并减小了肿瘤的大小。
It also blocked the Hunza River, creating a 7-mile - (11-kilometer -) long lake that inundated several villages and submerged 3 miles (5 kilometers) of the Karakoram Highway.
山崩阻塞了罕萨河，形成了11公里(7英里)长的湖泊，淹没了数个村庄，并使得喀喇昆仑公路5公里(3英里)长的一段淹没水下。
It was the evening of 13 May, said Sunita Bai, a female relative: a local man, Dinu, thought that the family had blocked the pipe to stop the water flowing further down the hill.
那是五月13日的傍晚，他们一个女性亲戚Sunita Bai说：一个本地男子Dinu认为Malviya一家阻塞了水管，导致水无法从远处山上留下来。
But the biggest culprit was the Edwards Dam — a small stone-and-timber structure built in 1837 for hydropower generation that blocked the fish from reaching their spawning grounds.
但是最大的原因是在1837年由小石头和木材构建的爱德华兹水坝，它被用来水力发电，水坝阻拦了鱼群到达它们的产卵地。
Under that argument, academics say the giant reptiles mostly froze or starved to death when a huge cloud of particles kicked up by the meteorite blocked the world's sunlight for months.
根据这种观点，学者们认为当陨星扬起的巨大粒子云挡住了阳光，阳光长达数月无法照射到地球上时，这种大型爬行动物大部分被冻死或饿死。
A set of pictures shot on the scene showed that a swarm of fans blocked the singer's limousine and one of them even accidentally hit Jackson on the head with an album when he tried to stop the car.
11日见诸于媒体的图片显示，一位狂热的歌迷用一本画册挡住了杰克逊的车，奋力阻止偶像离开，在无意之中打中其头部。
A set of pictures shot on the scene showed that a swarm of fans blocked the singer's limousine and one of them even accidentally hit Jackson on the head with an album when he tried to stop the car.
11日见诸于媒体的图片显示，一位狂热的歌迷用一本画册挡住了杰克逊的车，奋力阻止偶像离开，在无意之中打中其头部。
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