calcium cyanide

例句：

1. 1. Thischemical is used in the production of fireworksand matches.
   这种化学物质用于生产烟花和火柴。
2. 2. The worker was exposed to high levelsof calcium cyanide during the accident.
   这名工人在事故中暴露于高浓度的钙氰化物。
3. 3. The plantuses calcium cyanide as a fertilizer for its crops.
   该植物使用钙氰化物作为其作物的肥料。