Lithotope
岩石沉积环境
🗣️ 情景例句
Want to hear them?
你想听听吗？
Good children make glad parents.
孩子好，父母笑。
The airport was built years ago, but for some reason it could not be used then.
机场是许多年前建的，但由于某种原因当时未能启用。