汞剂

例句：

1. 1. This medicine contains a small amount of mercury.
   这种药物含有少量的汞。
2. 2. Mercury is highly toxic and can cause serious health problems.
   汞高度有毒，可能导致严重的健康问题。
3. 3. The doctor warned us to avoid any mercury-containing products during pregnancy.
   医生警告我们在怀孕期间避免使用任何含汞产品。