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
So it might fit in with a program
这个跟计划相当吻合
Rear sons for help in old age; and store up grains against famine.
养儿防老。
Nothing much. Why?
没啥事。怎么啦？