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- isotropic sound bearing medium 各向同性传声媒质
- anisotropic sound bearing medium 各向异性传声介质
- sound bearing medium 传声媒质
- Methods: We conducted comparative studies on the acoustic property including frequency response affected by different sizes, length of the sound bore, vent of hard earmould. 方法：在其它条件不变的情况下，对同一耳不同长度的耳模，改变其声孔、气孔形状、口径及加用阻尼等进行测量，并对其声学特性进行分析。
- Sound travels through the medium of air. 声音通过空气这一媒介传播。
- Suddenly the three of them became aware of a sound borne in from the distance: the thudding of many hooves.Big Beaver and Brother Li simultaneously jumped to their feet. 忽听得远处蹄声隐隐，有一大群人骑马奔来，关安基和李力世同时站起。
- A sound mind is inseparable from a sound body. 健全的精神是与健康的身体是不可分割的。
- Alarmed at the first sound, we hit the dirt. 第一声警报一响我们就迅速卧倒。
- He has told a story which sound not objective. 他讲了听起来不真实的一个故事。
- I caught a curious sound in the neighboring room. 我听到隔壁房间里有奇怪的响声。
- I was awakened by the sound of church bells. 我被教堂的钟声吵醒。
- The sound of danger gives wings to his flight. 危险的信号加速了他的逃跑。
- I quivered with fear at the sound. 我听见那种声音就吓得发抖。
- Her mouth open and shut, but no sound come out. 她的嘴张开又闭上了，没有发出声音。
- I have got accustomed to noisy sound. 我已习惯于嘈杂声音。
- The bell gave forth a peasant, lingering sound. 钟奏起了悠扬悦耳的曲调。
- He was a man with a sound constitution. 他是个体质强健的人。
- They have got home safe and sound. 他们已平安到家。
- I heard a faint sound in the distance. 我听到远处有个微弱的声音。
- The explosion gave forth a tremendous sound. 爆炸发出巨大的声响。
