underlay是什么意思音标:英 ['ʌndəleɪ]美 [ˌʌndɚˈle]
vt. 把...置于另一物之下, 垫起, 从下面支撑
vi. (矿脉)倾斜
n. 放在下面的东西, 衬底, 支撑之物, 衬垫物
underpe的过去式
v. raise or support (the level of printing) by inserting a piece of paper or cardboard under the type
v. put (something) under or beneath
v. provide with a base, support, pning, or backing
underlay的用法和例句：
1.You don't need a destination when you're running on an omnidirectional treadmill with quadraphonic, pressuresensitive underlay.
只要你脚下有一台 四声道压敏底垫全方位跑步机 你就可以随时出发
2.I could never understand what made people want to be friends, or what made people attracted to one another, or what underlays social interactions.
我一直无法理解是什么让人们想成为朋友 是什么让人们互相吸引 什么是社会交往的基础