Pool depth
[机] 余铁深度
🧩 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
She plays hard.
她玩起来也拼命。
They are hot tempered.
他们肝火太盛。
I don't think anyone knows about this. I said.
“我想没人知道这一情况，”我说。