Stercorite
磷钠铵石
🗣️ 情景例句
Now, once you put the ring on Susan's finger,
现在， 你一旦将戒指戴上Susan的手指，
My country is rich in natural resources.
我国自然资源丰富。
Excuse me. Are the hourse-drawn streetcars free?
对不起，这些马车是免费乘坐的吗？