Xto
abbr. X-band triode oscillator X波段三级真空管振荡器
🗣️ 情景例句
He had insufficient sleep.
他睡眼不足。
I am sorry to keep you waiting.
真抱歉，让你久等了。
We'll have to discuss about the total contract price.
我们不得不讨论一下合同的总价格问题。