稀薄

During the thunderstorm, the air pressure fluctuated as sound waves caused rarefactions and compressions.
在雷暴期间，空气压力因声波引起稀疏和压缩而波动。
The sudden expansion of gas in a jet engine creates regions of rarefaction that contribute to its high speed.
喷气发动机中气体的突然膨胀产生稀疏区域，有助于其高速运行。
In acoustics, rarefaction refers to the decrease in density and increase in pressure within a medium during a sound wave.
在声学中，稀疏是指在声波中介质密度减小、压力增大的现象。
The process of Boyle's Law demonstrates how decreasing the volume of a gas leads to an increase in pressure and rarefaction.
博伊尔定律说明了气体体积减小如何导致压力增加和稀疏。
In a vacuum pump, the continuous removal of gas molecules results in a region of rarefaction where there is very little air.
在真空泵中，连续移除气体分子会导致一个几乎没有空气的稀疏区域。
The concept of rarefaction is crucial in understanding the behavior of fluids in fluid dynamics.
理解流体动力学中流体行为的关键在于稀疏的概念。
During a sonic boom, the shock waves consist of alternating regions of compression and rarefaction, creating a loud noise.
音爆时，冲击波由交替的压缩和稀疏区域组成，产生巨大的噪音。
In a musical instrument like a flute, the player manipulates air pressure to create rarefactions, producing different notes.
在像长笛这样的乐器中，演奏者通过操纵气压来创造稀疏，从而产生不同的音符。
The theory of tides predicts that gravitational forces from the moon cause rarefactions in Earth's oceans, resulting in high and low tides.
潮汐理论预测，月球的引力会在地球海洋中引起稀疏，导致涨潮和退潮。
As a drop of water falls through air, it experiences a region of rarefaction around it, reducing the drag force acting upon it.
水滴下落时，周围会经历一个稀疏区域，降低了作用在其上的阻力。