释义 |
sur·fac·tantBrE /sɜːˈfæktənt/ NAmE /sɜːrˈfæktənt/ noun [C , U ](specialist ) a substance that reduces the surface tensionof 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) |