Pentode
n. 五极管, 电子五极管\\n[电] 五极管
🗣️ 情景例句
Either I'm at the hospital doing paperwork,
不是我在医院办公事，
His job is his whole life.
工作就是它的生命。
The same old favorites recur year in year out with monotonous regularity.
相同的决心以单调的规律年复一年地出现。