为了能够得到这些测量结果，科学家们必须在龙卷风附近或龙卷风内部安装一个龙卷风探测器。
To be able to get these measurements, the scientists have to get a tornado probe near or into a tornado.
龙卷风是一种空气快速循环的强风暴。
A tornado is a kind of strong storm with air which moves in a circle quickly.
在这些措施的帮助下，他们可以阻止龙卷风形成。
With the help of the measurements, they can prevent the tornado forming.
一个特殊的工具叫做龙卷风探测仪。
如果龙卷风要来了，人们应该做些什么来保证安全？
If a tornado gets close, what should people do to keep safe?
科学家们将尝试猜测龙卷风接下来会去向何处。
詹森的父亲立刻意识到一场龙卷风要来了。
Jason's father immediately realized that a tornado was coming.
他们使用特殊的工具来测量龙卷风内部和周围发生的情况。
They use special tools to measure (测量) what is happening in and around a tornado.
它们可以为人们提供一些警告，使其远离危险的龙卷风。
They can give people some warning to keep away from a dangerous tornado.
龙卷风探测仪的内部安装有传感器以测量风速、温度、压力和风向。
Inside the tornado probe, there are sensors to measure wind speed, temperature, pressure, and direction.
如果他们是正确的，那么龙卷风将会靠近探测器，甚至正好在探测器上方。
If they are right, the tornado will go near or even right over the probe.
他们从探测器上获取所有的测量数据，并利用它们来预测未来龙卷风可能形成的地方和行进的方向。
They take all of the measurements from the probe and use them to predict where future tornadoes may form (形成) and travel.
一些探测器甚至配备有摄像头，所以科学家们可以看到并了解龙卷风内部是什么样子的。
Some probes even have cameras, so the scientists can see and understand what it's like to be in a tornado.
漏斗云一旦接触到地面就会变成龙卷风。
令人惊骇的是，龙卷风摧毁了沿途的一切。
The tornado destroyed everything in its path, which was horrifying.
就在那时，我像龙卷风一样冲了进来，是不是？
龙卷风过后，社区开始了一项建造新家园的工程。
After the tornado, the community started a project to build new homes.
出于同样的原因，龙卷风的地下室通常有一个通风口。
For the same reason, tornado cellars musy have an air opening.
两周前的龙卷风对这个城市的一些地区造成了绝对的破坏。
The tornado's destruction two Sundays ago was so absolute in some areas of this city.
两周前的龙卷风对这个城市的一些地区造成了绝对的破坏。
The tornado's destruction two Sundays ago was so absolute in some areas of this city.
272例龙卷风在本月初席卷全国——已经打破了四月份的龙卷风案例。
272 tornadoes swept the nation in the first half of this month – already breaking the all-time twister-count for April.
他们建造的房子可以对抗龙卷风，这就是为什么它有一个不寻常的形状。
They're making the house that can fight against tornadoes that's why it has an unusual shape.
科技的影响就像一场龙卷风，首先袭击富裕国家，但最终也会席卷贫穷国家。
Technology's impact will feel like a tornado, hitting the rich world first, but eventually sweeping through poorer countries too.
手机拍摄的阿拉伯起义和美国龙卷风的画面被发布在社交网站上，并在电视新闻广播中播放。
Mobile-phone footage of Arab uprisings and American tornadoes is posted on social networking sites and shown on television newscasts.
形成龙卷风，寒冷的空气必须处在暖湿的空气上部，而风应该在不同高度向不同的方向运动，以此创造出剪切力。
To form a tornado, cold air must sit above warm and moist air, and the wind needs to go in different directions at different heights, creating shear forces.
“龙卷风”离“梅斯”的右机翼尖约三十英尺。
The Tornado was about thirty feet from Mace's right wingtip.
有些人真的想靠近龙卷风。
There are some people who actually want to get close to tornad
塔斯卡卢萨市长马德克斯告诉CNN，龙卷风几乎夷平这个城市的一个又一个街区。
Tuscaloosa Mayor Maddox told CNN that the twister literally obliterated blocks and blocks of the city.
该龙卷风停留在开阔的乡野，远离人群和建筑，以每小时120英里的时速旋转，但仅以每小时5英里的时速移动。
This twister stayed in the open country, away from people or buildings, rotating at 120 mph but only moving at 5 mph.
一股陆上龙卷风袭击了阿肯色州。
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