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[商]一种聚丙烯酰胺型絮凝剂
🗣️ 情景例句
Can we meet halfway on this?
我们是否能各让一半？
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请接受我对您提升的祝贺。
Between 1850 and 1910 the bison population is thought to have fallen from 60 million to just a few hundred.
人们认为，在1850年到1910年之间，野牛的头数从6，000万头降到只有几百头了。