Cathodoluminescence
[化] 阴极发光; 阴极射线发光
🗣️ 情景例句
He applied to Columbia,
他申请了Columbia大学。
Please give me a hand.
请帮我个忙。
I'm afraid not. She isn't here at the moment. Can I take a message?
恐怕不行。她这会儿不在。有话要我转告吗？