Pioloform
聚乙烯醇缩醛
🗣️ 情景例句
So far so good.
到目前为止一切都好。
Hello. Could I please speak to Miss Davis?
喂，麻烦你，请戴维斯小姐听电话。
George heard the noise and came downstairs quickly.
乔治听到了响声，迅速地下了楼。