lightning conductor的复数形式怎么写？

Probably, however, Franklin is most famous today for his inventions lightning conductor.但今天最使他出名的或许是他的发明.A lightning conductor protects a building from damage by lightning.避雷针可保护建筑物不受雷击的破坏.But the lightning conductor can...

n.避雷装置...

lightning conductor的音标：lightning conductor的英式发音音标为：['laitniŋ kən'dʌktə]lightning conductor的美式发音音标为：['laɪtnɪŋ kən'dʌktɚ]...