Cathodogram
电子衍射示波图, 阴极射线示波图
🗣️ 情景例句
I understand.
我了解。
After that,I go downstairs to the kitchen to have breakfast.
在那以后，我去楼下厨房吃早餐。
Maybe some folk songs to start with?
先演奏些民歌吗？