n.a tight-fitting garment of stretchy material that covers the body from the shoulders to the thighs (and may have long sleeves or legs reaching down to the ankles); worn by ballet dancers and acrobats for practice or performance
同义词：leotardunitardbody suit
英汉双解大词典
catsuit/ˈkætˌsuːt/
1.
N（名词）
a one-piece usually close-fitting trouser suit 紧身连衣裤