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
You have the spirit of a teenager, Susan.
你有一股青少年的朝气， Susan。
We can't make a decision without knowing the facts.
我们不能不知道事实，就作决定。
but favourite eating varieties like cod and skate which grow to unnatural sizes,
而是深受人们喜爱的食用鱼品种，如鳕鱼和鳐鱼，只不过它们长得出奇地大，