Thermionic vacuum tube
热离子真空管
🧩 词语组成解析
a. 热离子的\\n[电] 热离
🗣️ 情景例句
They're in my office.
在我办公室。
The war threatened his well-being.
战争威胁他的幸福。
the strangest of them being perhaps the hovercraft.
其中最新奇的要数气垫船了。