subjacent
例子
Subjacent layers of rock were revealed during the excavation process for the new building foundation.
在新建筑地基的挖掘过程中，岩石的下层被揭示出来。
The basement of the house was subjacent to the main living area, providing additional space.
房子的地下室位于主要生活区的下方，提供了额外的空间。
