sliding ladder method滑梯: slide; children's slide法: law阶梯法: ladder method; staircase method两人升梯法: two-firefighter raise旅馆升梯法: hotel raise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:滑梯法，即可在微信中查询翻译
