Plitron
[电] 高度真空管
🗣️ 情景例句
She doesn't know we've changed hotels.
她不知道我们换了旅馆呀。
Would you please hold the door open for me?
请您为我打开门？
He must strive continually to think of, and use, form in its full spatial completeness.
他必须勤于想像并且利用形体在空间中的完整性。