underlay

underlay1
(past and past participle -laid)
  1. [with obj.](一般作 be underlaid)place something under (something else), especially to support or raise it
    (尤指为支撑或升高)置于(另一物)下
    the green fields are underlaid with limestone.
    绿色田野下是石灰层。
noun
  1. [mass noun]something placed under or behind something else, especially material laid under a carpet for protection or support
    垫子,衬子(尤指地毯衬)
    ■(Music)the manner in which the words are fitted to the notes of a piece of vocal music
    (乐)乐曲配词
语源
  1. Old English underlecgan (see under-, lay)

underlay2
  1. past tense of underlie
    underlie 的过去式
英语宝典
考试词汇表