Upvc
abbr. unplasticized polyvinyl chloride 未增塑聚氯乙烯
🗣️ 情景例句
Yes, I think it's important for me to be there
是的 ，我想我在场是非常重要的。
This nation is noted for its economic stability.
这个国家以经济稳定闻名。
Thank you very much.
非常谢谢你。