Calcretes
(calcrete 的复数) n.钙质结砾岩
🗣️ 情景例句
It's good that you went back.
你回去是对的。
A penny saved is a penny earned(or gained).
省钱就是赚钱。
Competition between ourselves, person against person, community against community,
然而人类之间的竞争，人与人，团体与团体，