The shock wave forms a cone of pressurized air molecules which move outward and rearward in all directions and extend to the ground.
冲击波形成了一个由压缩气体分子构成的圆锥体,它朝四面八方向外和向后移动,一直延伸到地面。
Airplanes flying faster than sound create a cone of pressurized air molecules that extends to the ground, as NASA explains.
据NASA解释,飞机在超音速飞行时会产生延伸到地面的加压空气分子锥。
The StoppaRed, devised by Matthew Wilkinson of Nottingham, England, and developed in the U.S. by Mace, sprays aggressors with a sticky and ultraviolet red-marker gel from a pressurized container.
由英国诺丁汉马太·威尔金斯发明、美国梅斯继续开发的“斯托帕·雷得”喷雾,是一种装在密封容器中的、有粘性的、可在紫外光下发光的红色染色凝胶。
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