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。
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