Heptode
n. 七极真空管\\n[电] 七极管
🗣️ 情景例句
Don't be lazy, the older you get, the harder it will be to learn.
别偷懒，年纪越大，学起来就越难。
How often did I tell you to keep quiet?
我告诉你多少次要安静?
He gets the solid shape, as it were, inside his head----
可以这样说，他脑子里得到的是一个立体的概念，