Pentagrid tube
[电] 五栅管
🧩 词语组成解析
n. 五栅管, 七极管
🗣️ 情景例句
This is sensational!
太令人激赏了！
His designs are highly original.
他的设计独树一帜。
I was standing at the back, so I couldn't see very well.
我站在后面，看不清。