Strata opticum
[医] 视层(四迭体)
🧩 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
No. No train. Just the dress.
不 ，不加裙摆。就是这样连身套装。
I'm sorry I forgot your birthday, it completely slipped my mind.
我很抱歉忘了你的生日，我完全不记得了。
The river which forms the eastern boundary of our farm has always played an important part in our lives.
形成我们农场东部边界的一条河流一直在我们生活中发挥着重要作用。