Thermionic valves
[医] 热离子管, 热电管(热阴极整流管)
🧩 词语组成解析
a. 热离子的\\n[电] 热离
n. 阀门；真空管；瓣膜（valve的复数）
🗣️ 情景例句
That's it.
对了。
Having this new branch means a great deal to the economy of both countries.
这家分行的建立将对两国的经济交流起到很大的作用。
Sorry, I don't know. My watch is at home.
对不起，我不知道，我把表放在家里了。