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- The sound absorption properties of foamed aluminum are introduced and the effects of thickness, porosity, compression ratio, air cavity depths on sound absorption property are studied. 介绍了泡沫铝的吸声特性，研究了泡沫铝的厚度、孔隙率、压缩率、空腔对其吸声性能的影响。
- This creature lives in the depth of the ocean. 这种生物生活在海洋深处。
- I was out of my depth in that class. 在那个班里我跟不上。
- That is actually a cavity in the earth. 那其实是一个地下洞穴。
- The young man dived to a depth of 40 feet. 那个青年人潜到四十尺的深度。
- We should discuss the problems in depth. 我们应该深入地讨论这些问题。
- The depth of the universe is immeasurable. 宇宙无限深广。
- A cavity or hollowed surface, especially of a bone. 腔尤指骨头的腔或凹陷的表面
- The cavity formed by this structure. 盆腔由这种骨骼结构形成的体腔
- Measurement of the depth of large bodies of water. 海洋测深学，海洋测深术测量大水域的深度
- The depth of water in this river is half that in that river. 这条河河水的深度是那条河河水深度的一半。
- A trademark used for a sonic depth finder. 回音测深仪一种声音测深仪的商标
- I have a toothache because there is a cavity in one of my teeth. 我牙疼，因为我的一颗牙齿上有个洞。
- Resembling an abyss in depth; unfathomable. 深不可测的，无底的深度上象深渊的; 深不可测的
- These creatures live in the depth of the Pacific Ocean. 这些生物生活在太平洋的海底。
- Classical music have so much more depth and meaning. 古典音乐深得多，有意义得多。
- cavity depth 模腔深度
- He dipped the stick into the water to fathom its depth. 他把棍条浸入水中，试探水的深度。
- The peritoneal cavity is a potential space. 腹腔是一个潜在的间隙。
- Strange creatures live in the profound depth of the ocean. 在大洋深处生活著一些奇怪的生物。
