Prd
abbr. 综合性技术研究与开发（Polytechnical Research and Development）；产品研究与开发（Product Research and Development）；产品需求文档（Product Requirement Document）
🗣️ 情景例句
Honey, I'm scared to death.
亲爱的 我害怕得要命。
Lookers-on see most of the games.
旁观者清。
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。