参考词典中back down的常规释义:
基本释义
- 放弃,撤诉,食言,打退堂鼓
参考例句
- The man dived back down the staircase out of sight.
那人跑下楼梯不见了。 - The back seat of the car folds down to sleep two.
这辆汽车的后座放下来可供两人睡觉。
- The man dived back down the staircase out of sight.
英英解释
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