houseboat的复数形式怎么写？

n.形如房子的船，游艇...

Home, that was my houseboat on the river Meuse.我的家, 就是我在默兹河上的船.When in London, he lives on a Chelsea houseboat or at Claridge's.赫斯特先生在伦敦时居住在切尔西的船屋里或克拉里奇饭店.Philip: I've always lived in a houseboat. I was born in...

houseboat的音标：houseboat的英式发音音标为：['haʊsbəʊt]houseboat的美式发音音标为：['haʊsboʊt]...