Ultrathene
乙烯-醋酸乙烯共聚物
🗣️ 情景例句
What are you working on?
你在做什么？
He has gone home.
他已经回家去了。
the most destructive effects have come not from physical weapons but from ideas.
破坏作用最大的不是杀人的武器，而是思想。