Metasediments
(metasediment 的复数) [地质]变质沉积物
🗣️ 情景例句
It's no big deal.
没什么大不了的。
I know the boy whose father is an engineer.
我知道那个男孩的父亲是工程师。
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？