to underlie
01
构成...的基础, 是...的根本原因
to serve as the foundation or primary cause for something
Transitive: to underlie an abstract entity
语法信息
形态构成
派生
状态动词
规则
现在时
underlie
第三人称单数
underlies
现在分词
underlying
一般过去时
underlay
过去分词
underlain
例子
Historical events underlie the national holidays of many countries.
历史事件是许多国家国定假日的基础。
02
位于...之下, 是...的基础
to be positioned below or beneath something
Transitive: to underlie a physical entity
例子
Layers of ash underlie the soil, evidence of ancient volcanic activity.
灰层位于土壤之下，是古代火山活动的证据。
