Strata submucosum
[医] 粘膜下层, 血管下层
🧩 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
You look much younger than ... years old.
你看起来比……年轻多啦。
A fool can ask more questions than seven wise men can answer.
一愚发问，七智结舌。
we are no longer free to choose the things we want,
但我们已经无法独立自主地选购自己所需的东西了。