backstep
| sequence
| backstep | |
| gen. | 逐步 退焊 |
| archit. | 分段退焊 |
| space | 向后突出部; 后部台阶 |
| sport, bask. | 后退步 |
| sequence | |
| gen. | 先后; 序 |
| geol. | 时序 |
| geol. од. | 层序 |
| hydroel.st. | 顺序; 次序 |
| hydroel.st. од. | 序列 |
| met. | 系统 |
| oil | 沉积剖面 |
| sport. | 连续 |
| |||
| 逐步〔分段〕退焊 | |||
| 分段退焊 | |||
| 向后突出部; 后部台阶 | |||
| 后退步 | |||
| 退层; 折标 | |||
|
backstep : 16 phrases in 5 subjects |
| Architecture | 1 |
| Basketball | 1 |
| Chemistry | 2 |
| Metallurgy | 1 |
| Technology | 11 |