音标：[sә:'fæktәnt] ；

[化] 表面活性剂
[医] 表面活性剂, 表面活化剂

n a chemical agent capable of reducing the surface tension of a liquid in which it is dissolved

词型变化：名词复数形式 : surfactants

词性分布：

名词100%

surfactant的用法和样例：

例句

用作名词(n.)

Wettability is an important property of surfactant.润湿性是表面活性剂的一个重要特性。

词汇搭配

biodegradable surfactant生物降解表面活性剂...
amphiphilic surfactant两亲型表面活性剂...
amphoteric surfactant两性表面活性剂...
dianionic surfactant双阴离子表面活性剂...
cation surfactant[化] 阳离子型表面...
surfactant compound表面活性剂化合物...
nonionic surfactant非离子表面活性剂...
ampholytic surfactant两性表面活性剂...
anionic surfactant阴离子表面活化剂,阴...
ionic surfactant离子型表面活性剂...
pulmonary surfactant肺表面活性物质...
surfactant flooding表面活性剂驱油...
non-ionic surfactant非离子表面活性剂...
amine surfactant胺型表面活性剂...
cationic surfactant阳离子表面活性剂...

【近义词】

surface-active agent表面活化剂
wetter加湿器
wetting agent润湿剂

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创世记

【寓言】The Ant and the Grasshopper(有声)

The Ant and the Grasshopper In a field one summer's day a Grasshopper was hopping about, chirping and singing to its heart's content. An Ant passed by, bearing along with great toil an ear of corn he

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创世记

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VOA标准英语2011年(十一月)

The Ant and the Dove

An ant once leaned too far over the edge of a fountain and fell in-to the water．A dove was watching from a tree nearby．She saw that the ant could not swim so she plucked off a leaf and threw it down to him．He managed to scramble onto it and in

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趣味英语

The Ant and the Grasshopper

One cold，frosty day in the middle of winter a colony of ants was busy drying out some grains of corn which had grown damp during the wet autumn weather．A grasshopper，half dead with cold and hunger，came up to one of the ants．Please give me a

发表于:2019-01-26 / 阅读(122) / 评论(0)

趣味英语

The Ant and the Fly

An ant and a fly were contending heatedly who was of greater importance．The fly was the first to begin：Can you possibly compare with my endowments？When a sacrifice is made，I am the first to taste the entrails that belong to the Gods．I pass

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趣味英语

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