Pcas
(pca 的复数) abbr. 污染控制局（Pollution Control Agency）；极地冷空气堆吸收, 极冠吸收（Polar Cap Absorption）；波特兰水泥协会（Portland Cement Association）
🗣️ 情景例句
He's always in and out of jobs.
他老是跳槽。
What is it you don't like about winter weather?
你不喜欢冬天什么样的天气？
In that case, you wouldn't have a pan on fire. You'd have a house on fire!
如果是那样的话，你就不仅仅是使一个油锅起火，而是把整座房子点着了。