Pentode transistor
[电] 五极电晶体
🧩 词语组成解析
n. 五极管, 电子五极管\\n[电] 五极管
🗣️ 情景例句
If you're under twenty-one years of age ...
如果你还不到二十一岁……
Has this seat number started boarding?
这个座位号已开始登机了吗？
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。