Pool-cathode tube
[电] 汞弧管
🧩 词语组成解析
pool
[pul]
n. 水池;石油层;（液体等的）一滩;共同储金;
vi. 使形成池塘或水洼;淤积;合伙经营;采（煤等）;
cathode
[['kæθəud]]
n. 阴极\\n[化] 阴极
🗣️ 情景例句
Why do you always tell me at the last minute? Think of my position too.
为什么你总是到最后关头才告诉我？你也替我想想啊！
Oh,I just remembered something!I have to apply for a passport.
哦,我就记得了一些东西!我要申请一本护照。
We'll take that one.
我们就买那种。