potassium fluoprotactinate

例句：

1. 1. This compound is used as a preservative in food processing.
   这种化合物在食品加工中用作防腐剂。
2. 2. The researcher found that the potassium fluoride in the water could be harmful to humans.
   研究者发现水中的氟化物对人有害。
3. 3. Potassium fluoropropionate is an effective pesticide for controlling weeds.
   钾氟丙酸盐是一种有效的除草剂，用于控制杂草。