vacuum cleaner的复数形式怎么写

vacuum cleaner的音标：vacuum cleaner的英式发音音标为：['vækjuəm 'kli:nə]vacuum cleaner的美式发音音标为：['vækjuəm 'klinɚ]...

The Marshal stepped over the vacuum-cleaner and stumped out of the room.元帅迈过真空吸尘器，脚步沉重地走出了房间。He could hear the whirr of a vacuum cleaner.他能听到真空吸尘器的嗡嗡声。I went down on one knee to plug in the vacuum cleaner.我单腿跪下插上吸尘器插头....

n.真空吸尘器...