还原剂的英文：
reducer
reductant
reductive

参考例句：

Reduced nicotinamide nucleotides can function as reductants to nitrogenase
还原的烟酰胺核苷酸对固态酶可以起还原剂的作用。

Reductant from an extraneous source is introduced
外来的还原剂被引进来。

Hydrogen sulphide bearing gas or water is postulated to be an important reductant in several areas
含硫化氢的气体和水被认为是某些地区的一种主要的还原剂。

reducer是什么意思：
n. 减径管,缩减者,还原剂,减速器

be reduced to (a) pulp
变成浆状,成纸浆 [软块]

They held a sale to reduce their inventory.
他们降价出售库存货物。

To reduce in rank;demote.
使降职，使…降级

reductant是什么意思：
还原剂; 试剂

This is a reduction procedure.
这是个简化方案。

A drive for cost reduction is announced.
宣布开展降低成本的竞赛。

The major reason for the reduction of family size is a reduction in the number of births.
家庭规模缩小的主要原因是生育子女数量的减少。

reductive是什么意思：
a. 减少的,还原的
n. 还原剂

This is a reduction procedure.
这是个简化方案。

A drive for cost reduction is announced.
宣布开展降低成本的竞赛。

The major reason for the reduction of family size is a reduction in the number of births.
家庭规模缩小的主要原因是生育子女数量的减少。