Blastopsammitic
变余砂状
🗣️ 情景例句
What are you up to?
你呢？你怎样？
No, I only wrote her one letter this year.
是的，今年我才给她写过一封信。
Although we can't see these atoms, they really do exist.
虽然我们看不见原子，但它们的确存在。