cardboard基本解释
n,[纸]硬纸板；纸板箱；卡纸板,同近
a sheet of cardboard.一张卡纸
[纸] 硬纸板；纸板箱；卡纸板英释中释nstiff thick brown paper, used especially for making boxes
corrugated cardboard,波状纸板，瓦楞纸板.短语
