Periston
聚乙烯基吡咯烷酮
🗣️ 情景例句
Tongue muscles'training is of great importance in learning any foreigh language.
口腔肌肉训练在学习任何语言时都是非常重要的。
Old friends and old wine are best.
古交友情深，陈酒香味醇。
A very good choice, sir.
先生，您真会挑选。