Polymethyl methacrylate
[建] 聚甲基丙烯酸甲酯
🧩 词语组成解析
methacrylate [化]聚甲基丙烯酸甲酯
n. 甲基丙烯酸酯；异丁烯酸甲酯
🗣️ 情景例句
Between now and tomorrow
从现在起到明天
Poverty shows us who are our friends and who are our enemies.
贫困才能显出敌和友。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。