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
I'll miss my birthday party on Saturday.
就会错过星期六我的生日派对。
I often finish school in the afternoon.
我常常在下午放学。
Arthur C.Clark once suggested a revolutionary idea passes through three phases:
Arthur C.Clark曾经提出，一个革命性的想法经过三个阶段：