Directly heated cathode
[电] 直热式阴极
🧩 词语组成解析
directly
[daɪ'rɛktli]
adv. 直接地;不久，立即;正好地，恰好地;坦率地;
conj. 一…就…;
di使...变成+rect直+ly…地 →direct直接的+ly...地 → 直接地
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 wanted to, but Jack Davis needed a photographer.
我真的想参加上课， 但Jack Davis要我拍照。
Before you decide, have a good taste of Marie's cake.
没吃之前先别作决定，且先尝尝玛丽可口的蛋糕。
It's time you went to bed.
你早就该睡觉了。