• n. 基础；根据；下层

sub-,在下，-strat,地层，岩层，词源同 strategy,structure.

substratum (n.)

1630s, from Modern Latin substratum (plural substrata), noun use of neuter singular past participle of Latin substernere "to spread underneath," from sub- (see sub-) + sternere (see stratum).

1. His re-creation of the city is credible, with a substratum of fact to bolster the fiction.

他对该城历史的再现是可信的，虚构的小说情节隐念着一些事实作为支撑。

来自柯林斯例句

2. The best nutrition supply was basic substratum mixed with rapeseed cake liquid.

营养供给以基本基质加菜籽饼水液为佳.

来自互联网

3. The story has a substratum of truth.

这故事有事实的基础.

来自互联网