Breakstone
碎石
🗣️ 情景例句
Yes, it's so easy.
没错， 它真简便。
Yesterday will not be called again.
光阴一去不复返。
The underground railway runs 24 hours a day, and there are all-night cinemas, bars and restaurants.
地铁一天24小时不停地运营。还有通宵电影院、酒吧间和餐馆。