Audion
n. [电子]三极管
🗣️ 情景例句
before Michelle and her friends arrived.
在Michelle和她的朋友们来之前。
A fool and his money are soon parted.
笨蛋难聚财。
Alfred the Great acted his own spy,
阿尔弗雷德大帝曾亲自充当间谍。