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
But first things first.
但事有先后。
Would you like something to drink?
您想喝点什么吗？
for advertising exerts a subtle influence on us.
这是因为广告在我们身上施加着一种潜移默化的影响。