Pca
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
Would you like to go on a date with me?
你想和我约会吗？
How are you doing?
你过得好吗？
Had he worked harder, he would have gotten though the exams.
如果他努力了的话，他就会通过考试的。