campfire的复数形式怎么拼写

The campfire smouldered for hours after the blaze died out.营火在火焰熄灭后闷烧了好几个小时.The campers lit torches from the campfire.露营者用营火点燃火把.A group of boys and girls gathered around the campfire to sing songs.一群孩子围着一堆篝火唱歌....

campfire的音标：campfire的英式发音音标为：['kæmpfaɪə(r)]campfire的美式发音音标为：['kæmpfaɪər]...

n.营火，篝火...