conessine

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 toxicity of this substance is well-known and requires special precautions.
   这种物质的毒性众所周知，需要特别的预防措施。
3. 3.The worker was exposed to high levels of conessine during the accident.
   这位工人在事故中暴露于高浓度的氰化物。