substratum
n
(pl substrata )
1 level lying below another 下面的一层; 底层
a substratum of rock 底层岩石.
2 (fig 比喻) foundation; basis 基础; 根基
a substratum of truth in her story 她叙述中的事实根据.
🗣️ 情景例句
Let's just all calm down,
让我们全都冷静下来,
Excuse me, but could you give me some change?
劳驾,你能换些零钱给我吗?
At a village fair, I decided to visit a fortune-teller called Madam Bellinsky.