flowerbed的复数形式怎么写？

He grows tulips in the flowerbed in his garden.他在他花园的花坛里种植郁金香.The dog left the flowerbed at sixes and sevens.这条狗把花坛践踏得乱七八糟.He put his great foot on the flowerbed.他的大脚踩在花坛上....

flowerbed的音标：flowerbed的英式发音音标为：['flaʊəbed]flowerbed的美式发音音标为：['flaʊəbed]...

n.花床，花圃...