Strata externum
[医] 外层
🧩 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
Of course, they won't be in Riverdale.
当然这些房子不在Riverdale
What college are you attending?
你在哪里上学？
He was just falling asleep when there was a loud knock at the door.
他刚要入睡，就有人很响地敲门。