(past and past participle -laid /-ˈleɪd/)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, 垫起：
the green fields are underlaid with limestone.
绿色田野下是石灰层。
mass noun
1- 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）。
1.1
- Music the manner in which the words are fitted to the notes of a piece of vocal music【乐】乐曲配词。
词源