| austus(noun, activity, action, exercise) |
| auto race(expression, activity, action, exercise) |
| auto racing(expression, activity, action, exercise) |
| autocross(noun, activity, action, exercise) |
| autograss(noun, activity, action, exercise) |
| backpacking(noun, activity, action, exercise) |
| backstroke(noun, activity, action, exercise) |
| bagatelle(noun, activity, action, exercise) |
| baguazhang(noun, activity, action, exercise) |
| balance beam(expression, activity, action, exercise) |
| ball(noun, activity, action, exercise) |
| ball-over-net games(expression, activity, action, exercise) |
| ball hockey(expression, activity, action, exercise) |
| ballet(noun, activity, action, exercise) |
| banger racing(expression, activity, action, exercise) |
| bank pool(expression, activity, action, exercise) |
| banzai skydiving(expression, activity, action, exercise) |
| bar billiards(expression, activity, action, exercise) |
| bartitsu(noun, activity, action, exercise) |
| base jumping(expression, activity, action, exercise) |