substrative

基本解释

• n.基礎；根據；下層；底層

同根派生

英汉例句

用作名詞 (n.)

• The story has a substratum of truth.
  這故事有事實的基礎。
• There is a substratum of truth in her story.
  她敘述中有事實根據.
• The soil has a substratum of rock.
  這土壤下麪有層石頭。