dicarbonate

例句：

1. 1. The processof dicarbonating the air is essentialfor maintaining a healthy environment.
   使空气碳化的过程对于保持健康环境至关重要。
2. 2. The scientistfound that the dicarbonate could beused to purify water.
   科学家发现，这种碳化物可以用来净化水。
3. 3. The fireburned for hours, leaving behind a layerof black soot and a carbonateresidue on the ground.
   火燃烧了数小时，留下了一层黑色的烟灰和地面上的碳化残留物。