spermicide的翻译，读音

例句

A spermicide is a chemical that immobilizes and destroys sperm. 杀精子剂是一种使精子丧失机动性进而破坏精子的化学药物。

spermicide is only 85% effective, even with perfect usage, and just 71% effective with typical usage. 而杀精子剂即使正确使用，效果也仅有85%，如果只是典型使用，那么效果仅为71%。