1. The sound waves create areas of rarefaction in the air as they travel through it.
(音波は空気中を伝わる際に希薄化領域を作り出します。)

2. The rarefactions in the atmosphere cause the temperature to drop rapidly.
(大気中の希薄化が急激な気温の低下を引き起こします。)

3. The rarefactions in the liquid are a result of the rapid expansion of the gas inside it.
(液体中の希薄化は内部のガスの急激な膨張によるものです。)

4. Scientists study the rarefactions in the Earth's crust to better understand seismic activity.
(科学者たちは地殻の希薄化を研究して、地震活動をよりよく理解しようとします。)

5. The rarefactions in the ocean can create underwater caves and tunnels.
(海洋中の希薄化は水中の洞窟やトンネルを作り出すことがあります。)

6. The rarefactions in the glass caused it to shatter into a thousand pieces.
(ガラスの希薄化が原因で、それは千切れになりました。)