arsenical

例句：

1. 1. The doctor prescribed arsenical to treat his patient's poisoning.
   医生给病人开了砷化合物来治疗他的中毒。
2. 2. Arsenical is a highly toxic substance that can cause serious health problems.
   砷化合物是一种高度有毒的物质，可能会导致严重的健康问题。
3. 3. In the chemical industry, arsenical is often used as a preservative in food products.
   在化学工业中，砷化合物通常被用作食品产品的防腐剂。