The carbonic substance is not harmful to the environment.

这种含碳物质对环境无害。

Carbonic acid is generated when carbon dioxide is dissolved in water.

二氧化碳溶于水后会生成碳酸。

Carbonic acid is a weak binary acid.

碳酸是一种二元弱酸。

Carbonic Acid, Carbonates and Carbides.

碳酸，碳酸盐，碳化物。

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。

The proteins are enzymes called carbonic anhydrases.

这些蛋白质叫做碳酸酐酶。

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。

Carbonic acid is formed when water absorbs carbon dioxide.

当水吸收二氧化碳时，即产生碳酸。