Pentode
n. 五极管, 电子五极管\\n[电] 五极管
🗣️ 情景例句
I turned to him for advice.
我请求他提供高见。
The secret of wealth lieth in the letters SAVE.
节俭是致富的秘诀。
And we can have a drink of orange, too!
我们还可以喝杯橘子汁。