1·Shimmering glass towers line the canal's edge.
闪闪发光的玻璃塔排列在运河岸边。
2·Permanent towers, called derricks, used to be built to handle the long sections of drilling pipe.
被称为井架的永久性的塔，过去是为处理长距离钻探管道而建的。
3·On September 11, 2001, a group of terrorists destroyed these twin towers and killed nearly 3,000 people.
2001年9月11日，一群恐怖分子摧毁了双子塔，造成近3000人死亡。
4·These towers, or "blades," pinwheel about a triangular central shaft that holds elevators and mechanical equipment.
这些塔，或称“叶片”，围绕着一个三角形中心轴旋转，中心轴承载着电梯和机械设备。
5·While the world looked on, the 500 firefighters at the scene then battled to prevent the flames from reaching the two main towers, where the cathedral bells hang.
在全世界的注视下，现场的500名消防员奋力阻止大火蔓延到两座悬挂着大教堂钟的主塔。