hydrocincite

例句：

1. 1. The chemical reactionbetween hydrogen and chlorine produces hydrochloric acid.
   氢和氯之间的化学反应产生盐酸。
2. 2. Hydrochloric acid is astrong acid that can be used to dissolve metals.
   盐酸是一种强酸，可以用来溶解金属。
3. 3. In the laboratory, hydrochloric acid is often used as a reagent for testing metals.
   在实验室中，盐酸常被用作测试金属的试剂。