phosphonated polyester
基本释义
膦酸化聚酯
实用场景例句
学术讨论
The placard highlighted the key points of the presentation.
横幅突出了演示的关键点。
日常对话
The protest was marked by a large anti-war placard.
抗议活动由一块大型反战横幅标记。
校园生活
A placard announced the upcoming student election.
一块横幅宣布即将举行学生选举。
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