Calclithite
碎屑灰岩; 钙质石屑岩; 灰屑岩
🗣️ 情景例句
Robots can be used for many tasks which are considered too dangerous for people to do.
机器人能完成许多对人类来说是很危险的任务。
A Jack of all trades and master of none.
三脚猫无所长。
No! But the children are not alone. There are some animals on the island.
没有！但岛上并非只有孩子们。岛上还有一些动物。