Vacuum diode
[计] 真空二极管
🧩 词语组成解析
diode
['daiəud]
n. 二极管;
🗣️ 情景例句
And if it's successful,
假如成功的话，
That street is only two miles long.
那条街仅仅是2英里长的。
We can offer you this in different levels of quality.
这产品我们有三种不同等级的品质。