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
your doing this for Michelle and her friends.
你为 Michelle和她的朋友所做的这些。
Of two evils choose the least.
权衡两害，取其轻者。
'How did your clothes get into such a mess?'
“你的衣服怎么搞得一塌糊涂？”