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
I think you should call Rita Mae right now.
我想你现在就打电话给Rita Mae。
He drinks a lot of milk every day.
他每天都喝很多牛奶。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？