backwardness
短語詞組
- quality backwardness 質(zhì)量追溯
- backwardness advantage 后發(fā)優(yōu)勢
- Not Backwardness 不后退
- science backwardness 科學落后
- relative backwardness 相對落后
- Technological Backwardness 技術落后
- Curriculum Backwardness 教學落后
- method backwardness 手段落后 返回 backwardness