arsenic trifluoride

例句：

1. 1. This chemical is used to make fluorescent lights.
   这种化学物质用于制造荧光灯。
2. 2. The toxicity of this compound is due to its high levels of arsenic.
   这种化合物的毒性是由于其高含量的砷。
3. 3. In the laboratory, this compound is often used as a reagent for analyzing arsenic.
   在实验室中，这种化合物通常用作分析砷的试剂。