Periston
聚乙烯基吡咯烷酮
🗣️ 情景例句
The bride's wedding gown is so beautiful.
新娘的婚纱太漂亮了。
Is this toothpaste on sale today?
这支牙膏今天是削价出售的吗？
What do you find hardest in English?
你觉得学习英语哪方面最难？