| 释义 |
- n.拍动；摇摆运动
- adj.摇摆运动的；挥动的
- v.拍打，轻拍（flap 的 ing 形式）
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水利工程 “拍打” But it also has some asset problems, such as fluctuating pressure in the back of gate, continually swinging, flapping , the flood carrying is complex and so on . 但是此门型仍存在一些值得关注的问题，如闸后空腔脉动负压、闸门运行的频繁摆动、“拍打”、闸门泄流的水力现象复杂等。
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Even I know, in that process, I may lose my graceful plume because of that frequent flappings of my winds. 虽然我知道，在此之间，我可能会因为那般奋力地振翅而脱尽羽毛。
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