Polyethylene polyamine

[化] 多乙烯多胺

🧩 词语组成解析

polyethylene
n. 聚乙烯\\n[化] 聚乙烯
polyamine
n. [化]聚胺,多胺

🗣️ 情景例句

Andy, oh my God. I can't believe it. What are you doing here? I thought you're in Singapore.
安迪,我的天,竟然在这里遇见你。你在这里干什么?我以为你在新加坡。
It is an equal failing to trust everybody, and to trust nobody.
信任一切与不信任任何人,同样是弱点。
Winter is a cold season.
冬天是一个,寒冷的季节。
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