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
Can you boil some potatoes for me? I'm making potato salad.
你能帮我煮些土豆吗? 我今晚要做沙拉酱。
I don't know what time it is.
我不知道现在几点钟。
When did they leave this area?
他们什么时候离开这里?
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