Pentode
n. 五极管, 电子五极管\\n[电] 五极管
🗣️ 情景例句
I'm not convinced.
我持保留态度。
Would you hold the line, please, I will find out his number for you.
请你不要挂断，我替你找他的号码。
small at first, narrowly contained within its banks,
开始很小，被紧紧地夹在两岸中间，