platitude的复数形式怎么写？

His speech is full of platitude.他的讲话充满了陈词滥调。This was such a mere platitude go without saying.这不过是老生常谈,不用说也明白.It's no more than a platitude.无非是老生常谈.The talk is no more than a platitude.这番话无非是老生常谈....

The talk is no more than a platitude.这番话无非是老生常谈.It's no more than a platitude.无非是老生常谈.His speech is full of platitude.他的讲话充满了陈词滥调。...

n.平常的话，老生常谈，陈词滥调...

platitude的音标：platitude的英式发音音标为：['plætɪtju:d]platitude的美式发音音标为：['plætɪtud]...