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
Since English is not your native tongue.
因为英语不是你的母语。
That house is for sale. It has central heating.
此房出售，房子里有供暖设备。
It's a pleasant dream but everything depends on 'if'!
这是个美好的梦，但一切都取决于“如果”！