Pca
abbr. 污染控制局(Pollution Control Agency);極地冷空氣堆吸收, 極冠吸收(Polar Cap Absorption);波特蘭水泥協(xié)會(huì)(Portland Cement Association)
??? 情景例句
Sign here, where I've indicated.
簽在這里,在我指的地方。
So many men (or heads) so many minds (or wits).
人多意見(jiàn)也多。
A baby panda? Great! Let's go.
一只小熊貓?好極了。咱們走吧。
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