Pentode
n. 五极管, 电子五极管\\n[电] 五极管
🗣️ 情景例句
It's great. Although the economy is pretty slow as usual, it's picking up.
很好。虽然经济发展照常地缓慢，不过已开始回升。
Pleased to meet you.
认识你很高兴。
He could not see anything.
他看不见任何东西。