n.地毯衬垫
v.构成…的基础，作为…的原因
underlie的过去式

原形：underlie第三人称单数：underlies过去式：underlay过去分词：underlain现在分词：underlying

Perseverance underlies his sucesses.
坚持不懈是他成功的基础。
The underground parking underlies the basement.
地下停车场位于地下室之下。
Family background somehow underlies the personality and individual differences.
家庭背景以某种原因造成了性格和个体差异。
The underlying cause of the conflict was a lack of communication.
冲突的根本原因在于缺乏沟通。
Economic instability underlies many social problems.
经济不稳定是许多社会问题的根本原因。
Her decision was based on an underlying fear of failure.
她的决定源于内心深处对失败的恐惧。
The artist's use of color underscores the underlying emotion in the painting.
艺术家的色彩运用强调了画作中潜藏的情感。
There is an underlying current of tension in the team.
团队中存在着一种潜在的紧张气氛。
His humor often masks his underlying sadness.
他的幽默常常掩盖了他内心的悲伤。
The company's success is underpinned by its innovative technology.
公司成功的基础在于其创新的技术。
The agreement relies on an underlying trust between the parties.
这份协议基于各方之间的基本信任。
The novel explores the underlying themes of love and betrayal.
这部小说探讨了爱情和背叛的主题。
The illness was triggered by an underlying medical condition.
这种疾病是由潜在的健康状况引发的。