duffel的复数形式怎么拼写

duffel的音标：duffel的英式发音音标为：['dʌfəl]duffel的美式发音音标为：['dʌfəl]...

The duffel coat looked incongruous with the black dress she wore underneath.粗呢外套看起来与她下身穿的黑裙子不很协调.Beside him lay a bulging duffel bag.旁边放着一只鼓得满满的行李袋.The duffel bag was on his lap.破布袋子放在他的大腿上....

n.粗呢，露营用具...