Nentode
五极管(电子管)
🗣️ 情景例句
And now to see the end of the football game.
现在去看看足球赛的最后一段。
Lava flowed out of the crater.
喷火口流出了熔岩。
Nice to meet you too! What class are you in?
我也很高兴。你是哪班的？