segment descriptor
| block
| segment descriptor abbr. | |
| tech. | 段描述符 |
| block abbr. | |
| gen. | 挡; 堵 |
| badm. | 拦网 |
| golf. | 使球右曲 |
| mount. | 冰雪块 |
| row. | 阻塞; 滑轮; 滑轮组 |
| sport. | 妨碍; 阻挡 |
| |||
| 段描述符 | |||
|
segment descriptor : 6 phrases in 3 subjects |
| Electronics | 2 |
| Space | 1 |
| Technology | 3 |