Pva
abbr. 聚醋酸乙烯酯（Polyvinyl Acetate）；聚乙烯醇（Polyvinyl Alcohol）；垂直取向构型（Patterned Vertical Alignment）
🗣️ 情景例句
Nice to meet you, Susan.
很高兴见到 Susan。
I will be having dinner in Paris in April.
我将在四月份在巴黎吃晚餐。
He then changed into overalls and spent the next eight hours as a dustman.
然后换上工作服，当8个小时清洁工。