ti jun梯: ladder; stairs; steps; stair ...俊: handsome; pretty梯开失真: trapezoidal distortion梯矩阵: echelon matrices; echelon matrix梯口: stairway下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:梯俊，即可在微信中查询翻译
