under frame

英 美
  • 底架,底框
  • frame n.骨架;身躯;结构;框;帧v.表达;制定;把...框起来;陷害
  • under prep.低于;在...下;在...内;在...控制下adv.在昏迷中;在...下adj.下面的;从属的;少于的
名词 underframe:
  1. the internal supporting structure that gives an artifact its shape