flat stepsflatste水平: horizontal; level standard; ...梯: ladder; stairs; steps; stair ...板: board; plank; plate水平梯: horizontal ladder水平梯度: horizontal gradient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:水平梯板,即可在微信中查询翻译