slow reacting substance-A

例句：

1. 1.Slow-reacting substance A is a type of chemical that requires special handling due to its potential for explosion or fire hazard.
   缓慢反应物质A是一种化学物质，由于其潜在的爆炸或火灾危险，需要特殊处理。
2. 2. In the laboratory, slow-reacting substance A was used to study the reaction between hydrogen and oxygen.
   在实验室里，慢反应物质A被用来研究氢气和氧气的反应。
3. 3. The safety of workers handling slow-reacting substance A is crucial in preventing accidents.
   工作人员处理慢反应物质A的安全至关重要，以防止事故的发生。