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
They have to be here.
它们肯定就在这儿。
Americans are hight mobile, and therefore may find it difficult to became deeply involued with other.
美国人的流动性，大，因此你会发现和他人深交很难。
But it is also used very widely as a foreign language in many other countries in the world.
然而在世界上其他许多的国家英语也被当作一门外语广泛地使用。