Periston
聚乙烯基吡咯烷酮
🗣️ 情景例句
I see. Well, it's very nice to meet you, Mr. Wrigley.
哦！我也很高兴认识您，威格莱先生。
No cross, no crown.
无苦即无乐。
How it came about that snakes manufactured poison is a mystery.
蛇是怎样产生毒液的，这是一个谜。