un
der
lie
第三人称
underlies
现在进行时
underlying
过去式
underlay
过去完成时
underlain
1
构成...的基础, 是...的根本原因
to serve as the foundation or primary cause for something
及物动词
- Cultural traditions underlie many of the festivals and celebrations we see around the world.
文化传统是我们在世界各地看到的许多节日和庆祝活动的基础。
- 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。
- A commitment to excellence underlies the company's global success.
对卓越的承诺是公司全球成功的基础。
- The principles of fairness underlie the new policy changes.
公平原则是新政策变化的基础。
- Economic factors underlie the recent fluctuations in the stock market.
经济因素是股市近期波动的基础。
2
位于...之下, 是...的基础
to be positioned below or beneath something
及物动词
- Coral reefs underlie the clear blue waters, home to a diverse marine ecosystem.
珊瑚礁位于清澈的蓝色海水之下,是多样化海洋生态系统的家园。
- 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。
- Old city infrastructures underlie the modern streets, showing the evolution of urban planning.
老城的基础设施位于现代街道之下,展示了城市规划的演变。