surfactant
英 [sɜːˈfæktənt]
美 [sɜːrˈfæktənt]
n. 表面活性剂(减少液体表面张力，常形成气泡); 肺表面活性物质(维持肺部良好工作、防止呼吸困难)
复数：surfactants
BNC.39907 / COCA.36844
牛津词典
noun
- 表面活性剂（减少液体表面张力，常形成气泡）
a substance that reduces the surface tension of a liquid, often forming bubbles in the liquid - 肺表面活性物质（维持肺部良好工作、防止呼吸困难）
a substance that keeps the lungs working well to prevent breathing problems
英英释义
noun
- a chemical agent capable of reducing the surface tension of a liquid in which it is dissolved