Strata intermedium
[医] 中间层(牙釉质)
🧩 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;
n. 媒介
🗣️ 情景例句
Where are you working now?
你现在在哪里工作？
He has been working in advertising for ten years, but now he is teaching.
他曾经在广告公司服务十年，但现在在当老师。
That's better.
好多了。