Siderazote
二氮化五铁
🗣️ 情景例句
Good day.
再见！
If you want some shoes, look under the bed.
如果你要鞋子，就在床底下。
Every solid object will reflect a sound, varying according to the size and nature of the object.
任何固体者反射声音，反射的声音因物体的大小和性质的不同而不同。