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
He never drinks except on special occasions.
除非在特别场合，他从不喝酒。
The timid child would not leave his mother's side.
那个胆小的孩子不愿离开母亲。
If we could actually see the path described by a particle,such as a sand grain in the rock,
假如我们真能看到的运动轨迹，诸如岩石中一个沙粒分子