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This kind of soil contains much alkali. 这种土壤含碱丰富。
carbonated alkali [医] 碳酸碱
I make a carbon copy of my documents. 我用复写纸复写文件。
Soft drinks contain carbon dioxide. 软饮料中含有二氧化碳。
I have some carbon paper somewhere or other. 我记得我在什么地方放有复写纸。
She's a carbon copy of her sister. 她跟她姐姐一模一样。
A copy made by using carbon paper. 复写本，副本用复写纸复印的一份
Cyclization occurs readily with dilute alkali. 遇到稀碱就容易环化。
The acid and alkali are combined into salt. 酸与碱化合成盐。
Of, relating to, or containing an alkali. 碱的与碱有关的或含碱的
Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
The key problem is to overcome alkali in the soil. 关键在于控制土壤里的碱分。
Are using lime as the cheapest alkali. 最廉价的碱。
Carbonated drinks are acidic, and slightly safer. 碳酸饮料是酸性的，就更安全。
This kind of soil containsmuch alkali. 这种土壤含碱丰富。
You receive the top copy of the receipt, and we keep the carbon. 你把这收据上面的原件收下，我们保留下面的复写件。
Effect of Saline Alkali Soil Stress on Zea mays L. 土壤的盐碱化对玉米的胁迫作用。
The stick of carbon is often used in an electric arc lamp. 碳精棒常用于电弧灯。
The acid and alkali are combined in salt. 酸与碱化合成盐。
Acid and alkali are the basic concept of chemistry. 酸和碱是化学的基本概念。