Strata eboris
[医] 象牙质, 牙质
🧩 词语组成解析
strata
['streitə]
n. 地层;岩层( stratum的名词复数 );地层;社会阶层;
🗣️ 情景例句
from the first time you stayed with us.
自从你们第一次在我们这里住开始
How did you like it?
你喜欢那儿吗？
which we may call respectively the tough and the gentle.
我们分别称之为强硬法和温柔法。