Thermionic activity
[化] 热离子活度
🧩 词语组成解析
a. 热离子的\\n[电] 热离
🗣️ 情景例句
Oh, it was nice meeting all of you.
哦， 很高兴会见你们各位。
Paul started with surprise when Jim tapped his shoulder.
当吉姆拍了保罗的肩膀时，保罗吓了一跳。
Did the material work out well for you?
那些材料进行的顺利吗？