And in exchange, the fungus provides the tree with nutrients like nitrogen, phosphorus, calcium, sulfate, water, etcetera.

作交换，真木提供氮、磷、该、和谁等养分。

The team described the rock as containing white veins that may have been created by the substance calcium sulfate.

研究组描述说，这块岩石含有白色纹理，可能是由酸钙造成的。

By passing the smoke stack gases through a limestone slurry, the SO2 converts to an acid and then reacts with the limestone forming CaSO3, calcium sulfate.

通过使烟道气通过石灰石浆液，SO2 转化酸， 然后与石灰石反应形成 CaSO3， 即酸钙。