Directiy heated cathode
[电] 直接加热式阴极
🧩 词语组成解析
heated
['hi:tid]
adj. 热的，加热的;激昂的，兴奋的;激动的;
v. （使）热(heat的过去式和过去分词);
cathode
[['kæθəud]]
n. 阴极\\n[化] 阴极
🗣️ 情景例句
Happy Thanksgiving.
感恩节快乐。
You can't have it both ways.
你不能兼而有之。
Right from the start there was trouble with the Hubble.
从最开始哈勃望远镜就有问题。