Thermionic amplifier
[电] 热离子放大器
🧩 词语组成解析
a. 热离子的\\n[电] 热离
🗣️ 情景例句
Always remember to wash your hands before eating.
用餐前谨记要洗手。
Guess how old I am.
猜测我有多大。
The doctor advised me to give up smoking.
医生建议我戒烟。