Pentagrid tube
[电] 五栅管
🧩 词语组成解析
n. 五栅管, 七极管
🗣️ 情景例句
The news reporter said that an airplane has just crash landed.
新闻播音员说一架飞机在着陆过程中坠毁了。
Who will not keep a penny, shall never have many.
不积少，不会成多。
Right, I'll make a note of that.
没错，我把它记下来。