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
Drug dependence should be looked at as a medical issue, not a criminal one.
毒品信赖应该被看成是医学问题，而不是犯罪问题。
This pencil is longer than that one.
这支铅笔比那一个长。
is of an indescribable fascination.
具有难以言表的构思魅力。