Heptode
n. 七极真空管\\n[电] 七极管
🗣️ 情景例句
It's not good enough to show.
还不值得展示。
A straight foot is not afraid of a crooked shoe.
身正不怕影子斜。
I don't know.I've already had my holiday this year.
我不知道。今年我已度过假了。