副词向后；倒；回向原处形容词向后的；朝后的；倒退的；反向的网络后退；落后的；向后地
形容词
1. The child was backward in learning to walk.
那孩子学步较晚。
2. In some cities housing conditions went backward.
某些城市的住房条件越来越差。
3. The country is still in a backward state.
那个国家仍然处于落后状态。
4. Backward children need a special kind of schooling.
天赋差的孩子需要特殊的教育。