Polymine

聚乙烯亚胺; 聚乙烯亚胺

🗣️ 情景例句

Are you sure you know where you're going?
你真认识你要去的地方吗?
There are only two minutes left.
只剩两分钟了。
Mmm, it doesn't seem to fit very well.
嗯,这套看来不大合身。
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