Calclithite
碎屑灰岩; 钙质石屑岩; 灰屑岩
🗣️ 情景例句
You've been a great asset to our department.
你曾是我们部门的栋梁之材。
Purpose supposes foresight.
深谋远虑。
The hovercraft is particularly useful in large areas with poor communications such as Africa or Australia;
气垫船在非洲、澳大利亚等交通不发达地区特别有用。