Rrr
abbr. 相对危险度减少百分比（relative risk reduction）；相对呼吸率（Relative Respiration Rate）；风险补偿比率（reward-to-risk ratio）
🗣️ 情景例句
It's the language of human relationship that is based on trust, openness, and understanding.
那就是基于信任、开放、和理解的人际关系的语言。
Children learn to creep ere they can go.
孩子要走路，先得学爬行。
You should give it a try.
你应该试一试。