| 释义 |
sur·fac·tantBrE /sɜːˈfæktənt/NAmE /sɜːrˈfæktənt/ noun [C, U] (specialist) a substance that reduces the surface tension of a liquid, often forming bubbles in the liquid 表面活性剂（减少液体表面张力，常形成气泡）(medical 医学) a substance that keeps the lungs working well to prevent breathing problems 肺泡表面活性物质（维持肺部良好工作、防止呼吸困难） |