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1·With a little help from this carbonic acid, moving water forms most of the world's limestone caves.

在这种碳酸的帮助下，流动的水创造了世界上大部分的石灰岩洞穴。

2·Also, in surface water, there is a weak acid, carbonic acid, not sulfuric acid, but carbonic acid that helps dissolve the rock.

另外，在地表水中存在一种弱酸，它是碳酸，而不是硫酸，而且是能帮助溶解岩石的碳酸。

3·Carbonic Acid, Carbonates and Carbides.

碳酸，碳酸盐，碳化物。

4·Once in the water, it reacts to form carbonic acid.

二氧化碳一旦进入水中，就会发生反应形成碳酸。

5·The proteins are enzymes called carbonic anhydrases.

这些蛋白质叫做碳酸酐酶。

6·When carbon dioxide dissolves in water it forms carbonic acid.

二氧化碳在水中溶解后会形成碳酸。

7·Carbonic acid is formed when water absorbs carbon dioxide.

当水吸收二氧化碳时，即产生碳酸。

8·Mix carbon dioxide with water and the result is carbonic acid.

二氧化碳和水混合的结果是形成碳酸。

9·The midpoint and equivalence point for carbonic acid are much higher.

碳酸滴定中点和等量点也高得多。

10·About a third of this CO2 is taken up by the sea, where it forms carbonic acid.

排出的CO2有三分之一被海洋吸收并形成碳酸。

(1)carbonic acid碳酸

(1)carbonic anhydrasen. 碳酸酐酶

(1)carbonic oxiden. 一氧化碳