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
They have nice things, but they've very expensive.
它们的东西不错，但很贵。
If you have further questions, please contact the people listed on the last page of the report.
如果你还有问题的话，请和报告最后一页名单上的人员联系。
I'm off on Sunday.
星期天动身。