Cuprammonium
铜氨液
🗣️ 情景例句
And your friends are planning to go to Columbia?
而且你的朋友们也准备上Columbia大学 ，对吗？
He already has a phonograph,but he doesn't have a radio yet.
他已经有一架留声机，但是他还没有收音机。
Was the noise a cause of the illness, or were the complaints about noise merely a symptom?
是噪音引起了（精神）病呢，还是（精神）病的症状之一是对噪音的抱怨？