环翼机没有尾翼，而是采用一个延伸的圆形作为外部引擎，帮助飞机完成水平飞行和垂直起飞降落。
Instead of using wings, the coleopter employed a circular extension serving as the outer part of the jet engine while helping the aircraft achieve level flight, as well as vertical ascent and landing.
她的设计由一个圆形的路径组成，从森林里的湖泊向周围延伸。
Her design comprises a circular path that extends around a lake in the forest.
从地球上看，我们将地球赤道往天际延伸之后我们称之为天体赤道，也就是现在被描述成天空四周的一个圆形区域。当地球沿着轨道绕太阳公。
A circle all around the sky. We can also imagine that while the Earth orbits around the sun, from down here on the surface.
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