動詞 underlie:

1. be or form the base for
   同義詞：underlie
2. lie underneath
   同義詞：underlie

形容詞 underlying:

1. in the nature of something though not readily apparent
   同義詞：implicit in, inherent
2. located beneath or below
3. being or involving basic facts or principles
   同義詞：fundamental, rudimentary

1. An underlying or implied tendency or meaning; an undercurrent.
   含意; 暗流; 內在性質隱含的或含蓄的傾向或意義; 潛在勢力
2. The fundamental principle or underlying concept of a system or theory; a basis.
   基本成份一個系統(tǒng)或理論的基本要素或基本概念; 基礎
3. The mass of rock underlying a mineral deposit in a mine.
   礦藏底石位于一個礦中金屬礦藏之下的大量石頭
4. Upward pressure from underlying magma domes the surface.
   地下巖漿的向上推力使地面成圓頂形。