n.碱

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

The key problem is to overcome alkali in the soil. 关键在于控制土壤里的碱分。

Acid and alkali are the basic concept of chemistry. 酸和碱是化学的基本概念。

Such detergents do not yellow the wool as aaklli tends to do. 这种洗涤剂不会象碱那样使羊毛发黄。

n.碱浓度；碱性

adj.碱的；碱性的

n.碱量计(碳酸定量计)

adj.可碱化的

v.使成碱性；碱化

n.碱量滴定法(定碱法)