Calcicrete
钙结砾岩; 钙质壳
🗣️ 情景例句
I'd like to make an appointment to discuss a question.
我想约个时间讨论个问题。
Do you like travelling?
你喜欢旅行？
Frank smiled when he remembered his hard early years and the long road to success.
弗兰克回想着他早年的艰难经历和走过的漫长的成功之路，微笑了。