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
When was the last time?
最近一次是什么时候？
True coral needs no painter's brush.
真珊瑚无需刷油漆。
People enjoyed the stamps very much.
人们非常喜爱这些邮票。