柔软剂的英文：
softener; softening agent

参考例句：

This is a good fabric softener for woolens.
这是一种很好的羊毛织物柔软剂。

softener是什么意思：
软化剂,软化炉,软化器,软麻机,软水剂,增韧剂,增塑剂

To soften or muffle the sound of.
减弱…的声音

Adverse developments have softened the price of the product.
不利的发展使产品价格疲软。

Plastics will soften when exposed to heat.
塑料适当加热就可以软化。

softening是什么意思：
v.（使）变柔软，变柔和

To soften or muffle the sound of.
减弱…的声音

Adverse developments have softened the price of the product.
不利的发展使产品价格疲软。

Plastics will soften when exposed to heat.
塑料适当加热就可以软化。

agent是什么意思：
n. [C]
1.代理人；代理商；仲介人
2.间谍，特工，密探
3.执法官，政府代表
4.原动力，起因
5.仲介，媒介
6.【化】剂

To contaminate with a pathogenic microorganism or agent.
传染通过致病的微生物或媒介来传染

This is the only and sovereign agent.
这是唯一的，至高无上的起因。

They hired agents to conduct their affairs.
他们雇请代理人来处理他们的事务。