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
No, Mom. We had a great time.
不， 妈妈。我们玩得很高兴。
I wish I had more time to myself these days.
但愿最近我会有更多的属于自己的时间。
I was only five when my father had taken me abroad, and that we eighteen years ago.
我5岁那年，父亲就带我出了国，那是18年前的事了。