Polyvinyl
a. 聚乙烯基的
🗣️ 情景例句
Why don't you two kiss and make up?
你们俩接个吻，言归于好吧？
He falls down the stairs.
他从楼梯摔了下来。
small at first, narrowly contained within its banks,
开始很小，被紧紧地夹在两岸中间，