Strata circulare
[医] 环层
🧩 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
He is making good progress after his operation.
他动过手术后病情大为好转。
Joy shared with others are more enjoyed.
与人同乐，其乐无穷。
'Oh, that,' said the Ambassador.
“那个嘛，”大使说，