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 do you like about it?
你喜欢它哪一点呢？
Who is the greatest writer of our times?
谁是当代最伟大的作家？
How many do you need?
你需要多少？