🧩 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
Yes, I remember. You were a great help.
是的， 我记得。你帮了个大忙。
Almost everyone is aware of environmental problems in America.
在美国，几乎人人都注意到环境问题。
I meant to tell you yesterday, but you were not in your office.
我原想昨天告诉你的，但你没在办公室。