leap-frog
| method
| leap frog | |
| sport. folk. | 跳背游戏 |
| weightlift. | 分腿跳; 蛙跳 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 跳背游戏 | |||
| 分腿跳; 蛙跳 | |||
| |||
| 动力夯 | |||
|
leap-frog : 6 phrases in 3 subjects |
| Architecture | 3 |
| Mathematics | 1 |
| Telecommunications | 2 |