Pei
abbr. 搪瓷研究所（Porcelain Enamel Institute）；初步工程检验（Preliminary Engineering Inspection）
🗣️ 情景例句
Would you like a cocktail before dinner?
你要在饭前来杯鸡尾酒吗？
After Flagstaff, we'll go to San Diego.
到佛拉格斯塔夫之后，我们去圣迭戈吧。
they aroused great interest at the time, they had important theoretical consequences,
这些观察在当时引起了人们极大的兴趣，具有重要的理论意义，