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 quite a difference from the directions that Pete sent me.
这和Pete寄给我的路线指示完全不同。
If you insist on your original price, I'm afraid you will have little chance to get the business.
如果您坚持原来的价格，恐怕您获得这笔交易的可能性极小。
Jiang Honglin was catching up fast, too, but not fast enough.
江红林也在奋力追赶，但他跑得不够快。