“棱锥”的英语？

你把那钱都浪费在做那棱锥形东西的生意上了?You wasted that money in a pyramid business?四棱锥作为一种新型的波前检测元件,与其他传统的波前传感器相比,具有较高的灵敏度.The pyramid sensor ( PS ) has the advantage of higher sensibility than other classical wavefront sensors.考虑了负荷变化的不确...