碱含量的英文：
alkali content

alkali是什么意思：
n. 碱

It is a tribute to the capacity of the kidneys to excrete alkali.
这对肾脏排碱功能是个负担。

This kind of soil contains much alkali.
这种土壤含碱丰富。

It was surprising when the alkali spectra showed unmistakable doublets
当碱金属光谱显示出不容怀疑的双线结构时，是令人惊奇的。

"The strip surface is cleaned by alkali spraying, alkali brushing, electrolytic deoiling and rinsing for good coating coherence. "
带钢表面经碱液喷淋、碱液刷洗、电解脱脂及清洗,以满足良好镀层一致性的要求。

Not even a blade of grass grows in the saline-alkali soil.
盐碱地上寸草不生。

content是什么意思：
n. 内容；容量；目录；满足
v. 使满足
adj. 满足的，满意的

No man is content
人心不知足

Content is happiness
知足常乐

No man is content with his lot
无人满意自身的命运和境遇

This, to me, makes great content.
这给了我很大的满足。

We must demolish this contention.
我们一定要彻底驳倒这种言论。