(亦作 pinafore dress)a collarless sleeveless dress worn over a blouse or jumper 无袖连衣裙,学生裙 ■(Brit.)a woman's loose sleeveless garment, typically full length and worn over clothes to keep them clean (英)围裙,围身布
语源
late 18th cent.: from pin + afore (because the term originally denoted an apron with a bib pinned on the front of a dress)