sound absorbtion的用法和樣例：
例句
- The emphasis is to study the sound absorption properties of gradient polyurethanes at different temperatures and pressures.
研究了梯度聚氨酯在不同溫度和壓力下的水聲吸聲性能。 - A new type of porous sound absorbing material was made from super-strength gypsum and glass fiber.
摘要以高強石膏為膠凝材料，內摻玻璃纖維，製備出一種新型多孔吸聲材料。
