 |
| |||
| chain coupling | |||
| 锁节: 40 phrases in 13 subjects |
| Anatomy | 3 |
| Animal husbandry | 1 |
| Automobiles | 7 |
| General | 3 |
| Genetics | 1 |
| Metallurgy | 1 |
| Nursing | 1 |
| Oil / petroleum | 1 |
| Plastics | 6 |
| Space | 1 |
| Sports | 8 |
| Surgery | 4 |
| Technology | 3 |
|
| |||
| chain coupling | |||
| 锁节: 40 phrases in 13 subjects |
| Anatomy | 3 |
| Animal husbandry | 1 |
| Automobiles | 7 |
| General | 3 |
| Genetics | 1 |
| Metallurgy | 1 |
| Nursing | 1 |
| Oil / petroleum | 1 |
| Plastics | 6 |
| Space | 1 |
| Sports | 8 |
| Surgery | 4 |
| Technology | 3 |