Virtual cathode
[电] 虚阴极
🧩 词语组成解析
virtual
['və:tjuəl, -tʃuəl]
adj. 实质上的，事实上的;（计算机）虚拟的;<物>有效的，虚像的;（粒子）实际存在的;
cathode
[['kæθəud]]
n. 阴极\\n[化] 阴极
🗣️ 情景例句
There are no dues.
不要会费。
We know not what is good until we have lost it.
有的时候不爱惜，失了以后空叹息。
Ever since, people have had difficulty in deciding whether the craft should be ranged among ships,
自那以后，人们很难决定是否应该将这种运载工具列为轮船、