飞机可能上下移动20到30英尺，这对乘客来说太夸张了，但是从航空学的角度来看没有什么问题。
The plane can move 20 or 30 feet up and down, which is quite dramatic for passengers but is of no consequence in aeronautical terms.
空间站65英尺长的机械手臂可以用来将设备从一个地方移动到另一个地方，但有的时候需要宇航员到末端协助操作。
The station's 65ft-long robotic arm is used to move equipment from one place to another, but sometimes an astronaut climbs on the end to help.
由奥地利房车公司马奇移动制造的这辆豪华房车，名为“元素”，车身长40英尺，配有215平方英尺的伸展式屋顶露台，地暖设施以及一间酒吧。
Austrian company Marchi Mobile is behind the 40ft long palace on wheels, called the eleMMent palazzo, which comes complete with a pop-up roof terrace measuring 215 sq ft, underfloor heating and a bar.
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