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
Thank you so much.
太感谢你了。
It's been cloudy all morning.
整个早上多云。
The story of a poor family that acquired fame and fortune overnight, dramatically illustrates the power of the press.
下面这户穷人一夜之间出名发财的故事戏剧性地说明了新闻报道威力。