polyanionic surfactant

例句：

1. 1. The polyanionic surfactant is effective in removing oil from water.
   这种多核的洗涤剂能有效从水中去除油。
2. 2. Polyanionic polymers are widely used in drug delivery systems.
   多核聚合物在药物输送系统中被广泛使用。
3. 3.Polyanionic dyes have been found to be more stable than their anionic counterparts.
   多核染料被发现比它们的阴离子对应物更稳定。