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
Where is your birthplace?
你出生在哪里？
I ought to do it again.
我应该再做一次。
He told me to unpack my things and then come down to dinner.
他让我打开行装后下楼吃饭。