cyanoform

例句：

1. 1. The chemical was used as a preservative in the food industry.
   这种化学物质在食品工业中用作防腐剂。
2. 2.The worker was exposed to high levels of cyanoform during the manufacturing process.
   这名工人在生产过程中接触到了高浓度的氰化物。
3. 3. The cyanoform gas was released into the air, causing immediate respiratory distress.
   氰化物气体被释放到空气中，导致立即的呼吸不适。