Four electrode tube
[电] 四极管
🧩 词语组成解析
four
[fɔr]
num. 四;四个;第四;
n. 四的;四个一组之物;
🗣️ 情景例句
You don't know up from down.
你黑白不分。
I'm glad to hear you are getting married.
我很高兴听到你将结婚的消息。
They had large rooms with beautifully decorated walls.
里面房间很大，墙壁装饰华丽。