Perico
abbr. Program Evluation and Review Technics (plus) Cost Analysis 方案评估技术及成本分析
🗣️ 情景例句
Did you get some rest on your vacation?
假期中休息的怎么样？
Thank you for your letter.
谢谢你的来信。
Yes, he did.He telephoned at nine o'clock.
是的，打了。他在9点钟又打电话。