substratum
n. 底層,下層
A substratum of something is a layer that lies under the surface of another layer, or a feature that is less obvious than other features.
...its deep substratum of chalk...
深厚的白堊地層
His recreation of the city is credible, with a substratum of fact to bolster the fiction.
他對該城歷史的再現是可信的,虛構的小說情節隱念著一些事實作為支撐。
1. any stratum lying underneath another
His re-creation of the city is credible, with a substratum of fact to bolster the fiction.
他對該城歷史的再現是可信的,虛構的小說情節隱念著一些事實作為支撐。
The best nutrition supply was basic substratum mixed with rapeseed cake liquid.
營養供給以基本基質加菜籽餅水液為佳.
The story has a substratum of truth.
這故事有事實的基礎.