界面剂的英文：
[Chemistry] surfactant
n. 化学；化学组成（性质）；化学作用（现象）
He is an authority in the region of chemistry.
他是化学界的权威。
Moreover, this is a chemistry thing does.
何况是这种有化学作用的东西呢。
Biology, Chemistry,and Physics are sciences.
生物、化学和物理是自然科学。
You must read standard works on chemistry.
你必须读一下化学方面的权威著作。
In collage I specialize in organic chemistry.
在学院里我主修有机化学。
n. 界面活性剂
Surfactant is the name given to the lipid secretions that lie in the alveoli
表面作用剂是指肺泡上的脂质分泌物。
Development of detergents has required optimization of the surfactants structure
发展洗涤剂时，要求使用最恰当的表面活性剂结构。
Many surfactants that have been used for commercial purposes are products of synthetic chemistry.
许多用于商业目的表面活性剂是化学合成产品。
The large secretory type 2 cell is responsible for the secretion of the surfactant
较大的Ⅱ型分泌细胞负责分泌表面作用剂。
The nonpolar segments of surfactants include straight-chain and branched alkyl groups
非极性表面活性剂链段包括直链和支链的烷基。