Fexitron
冷阴极脉冲X射线管
🗣️ 情景例句
Nice to meet you, Mr. Johnson.
很高兴见到你 Johnson先生。
A wise man thinks all that he says, a fool says all that he thinks.
智者思其所言，愚者言其所思。
I looked out of the window.It was dark outside.
我望望窗外，外面一片昏暗。