Wpcf
abbr. Water Pollution Control Federation <美>水污染控制联合会
🗣️ 情景例句
do I really want to work for the biggest company in the country?
我真的想替全国最大的公司工作吗？
Someone is using the phone.
有人在用电话。
Yes.Look out of the window.
是的。你看看窗外。