tracksuit的复数形式怎么写？

tracksuit的音标：tracksuit的英式发音音标为：['træksu:t]tracksuit的美式发音音标为：['trækˌsut]...

She reached into the wardrobe and extracted another tracksuit.她伸手又从衣橱里取出一件运动服。She wore blue tracksuit bottoms.她穿了一件蓝色田径裤。I changed into a tracksuit.我换上一身运动装。...

n.运动服，运动套装...