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
What are you doing this weekend?
你本周末打算干什么？
Took you long enough!
你现在才来！
Cats never fail to fascinate human beings.
猫总能引起人们的极大兴趣。