Pentode
n. 五极管, 电子五极管\\n[电] 五极管
🗣️ 情景例句
Goodbye, come again soon.
再见，下次再来。
Who spoke a while ago?
刚才谁在讲话？
You soar effortlessly over high mountains and deep valleys.
你毫不费劲地飞越高山幽谷，