- A common double knot in which the loose ends are parallel to the standing parts, most often used to join the ends of two cords or lines.平结：一种普通的双结，其松弛的端点与立杆平行，最常用于连结两根线或绳的端点
- roasts
- rob
- robalo
- robalos
- robbed
- Robbe-Grillet
- robber baron
- robber fly
- robberies
- robbery
- robbery
- robbing
- Robbins
- robe
- robed
- Robert
- Robert Guiscard
- Robert I
- Robert Morris College
- Robert Morris College
- Robert Morris College-Chicago
- Robert Morris College-Springfield
- Roberts
- Robertson
- Roberts Wesleyan College