Electron tube amplifier
[电] 电子管放大器
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
Of course, I'll visit at least once a year, maybe more.
当然，我最少每年会来拜访一次，也许更多次。
Too much knowledge makes the head bald.
知识多，老得快。
In his youth, his father and grandfather often told him stories about their family history.
年轻时，他的父亲和祖父常常同他说起他们的家史。