单词：hydrochloric acid
hydrochloric acid的用法和样例：
例句
- Gold can't be dissolved in hydrochloric acid.黄金不会溶解于盐酸之中。
- Hydrochloric acid is secreted in the stomach and forms part of the gastric juice.胃里可分泌出盐酸，而盐酸是胃液的组成部分。
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