Metasediment
[地质]变质沉积物
🗣️ 情景例句
Rules are meant to be followed, not broken.
规则制订出来是让人遵守，而不是让人破坏。
We have a toll-free number for customers to call.
我们对顾客提供免费服务电话。
both men were genuinely sorry that they had to leave.
这二位不得不离开那个荒岛时，还真的感到遗憾呢！