Thermionic emission
[化] 热电子发射\\n[医] 热离子发射
🧩 词语组成解析
a. 热离子的\\n[电] 热离
🗣️ 情景例句
For a beginner, you're pretty good.
做为一个初学者，你已经做得很好了。
My coat is yellow.
我的外套是黄色的。
It's about a time when there were black slaves in North America. It's about their fight for freedom.
（它）讲的是有一段时期，北美洲存在黑奴。影片讲述他们为自由而斗争的情况。