Isotope pool
[化] 同位素库
🧩 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）;
🗣️ 情景例句
Who is that?
那是谁呀？
They've been married for quite a few years.
他们结婚好多年了。
There is a broken small old gray stone bridge over the river.
河上有一座破烂不堪的、古老的、灰色的小石桥。