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
what do you think this big surprise is?
你认为这一件大惊喜会是什么？
Judy is so reserved that it is hard to understand her.
朱迪非常内向而木讷，因而很难使人了解她。
Three factors have caused these fish to grow so large:
这些因素促使这些鱼可以长得如此巨大：