您要查找的是不是：
- a cushion of moss on a rock 岩石上的一层苔藓
- A hovercraft rides on a cushion of air. 气垫船悬浮在气垫上行驶.
- The device floats on a cushion of air. 那个装置漂浮在气垫上。
- These vessels ride on a cushion of air when in use. 这些舰船在开动的时候，是浮在气垫上的。
- a cushion of moss on the rock 岩石上的一层青苔
- Whole craft was raised on a cushion of compressed air. 整艘船就被升举到一个压缩空气的气垫上。
- It traps the air underneath it and actually rides downhill on a cushion of air. 它下面携带了空气，实际上，到山脚下的时候是乘着一座气垫。
- They figured out how to move the vehicle freely, not juse across land, but up and down on a cushion of air. 他们领会到，不只是要飞机飞行一段距离，而且要在空气的垫子上让飞机自由地飞上飞下。
- Hovercraft hover, or rideon a cushion of air. 气垫船是漂浮或航行在气垫之上。
- He dash the glass bowl to bit on a rock. 他对著石块把玻璃碗砸得粉碎。
- The ship struck on a rock and sank. 船触礁沉没。
- He dashed the glass bowl to bits on a rock. 他对著石块把玻璃碗砸得粉碎。
- One of my snowshoes got caught on a rock. 我的一只雪鞋绊在石头上了。
- Vessel His answer was to lift the vessel out of the water by making it ride on a cushion of air, no more than one or two feet thick. 他的解决办法是把船体提离水面,让船在一个气垫上行驶,气垫只有一两英尺厚。
- The anchor line fouled on a rock. 锚索缠在一块岩石上
- Robert Dimmick (manufacturer) : The Hover Board is a personal, single rider hovercraft that transports a standing rider on a cushion of air. 买一块飞翔板，这可是收入不菲的超级英雄拥有的唯一交通工具。
- a cushion of moss 一层青苔
- A crowd of cattle were dotted around the grass land with a little boy sitting on a rock. 一群牛羊分散在草地上，一个男孩坐在一块岩石上。
- A perfect drawer, he would say, had to slide in on a cushion of air, and when pulled out had to cause the other drawers to retract, very slightly, into the almost airtight case. 他常说，一只完美的抽屉必须悬空滑进，抽出的同时其他抽屉必须轻轻地自动退回至几乎密封的柜中。
- Amy reposed her head on a cushion. 艾咪把头靠在垫子上。
