Electron tube amplifier
[电] 电子管放大器
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
I grew up in that house.
我就在那栋房子长大的。
May I have your name, please?
请问你叫什么名字？
he realizes its volume, as the space that the shape displaces in the air.
他能意识到物体的体积，那就是它的形状在空气中所占的空间。