Strata nucleare
[医] 核层
🧩 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
A large number of American radio stations operate in the red.
许多美国电台亏损经营。
That was a close call.
太危险了。
People had to use other ways to record information.
人们只得使用其他方法记录资料。