更新时间：2024-05-06 17:23:50
Noun:- the motion made by flapping up and down
- flap actuating gear
- flap valve assembly
- flap control system
- flap jackknife dive
- flap warning switch
- flap-limit switch
- flap incompleteness
- Flapless technique
- flapless amputation
- flap-wing machine
- flaps
- flap
flapping是什么意思 flapping在线翻译 flapping什么意思 flapping的意思 flapping的翻译 flapping的解释 flapping的发音 flapping的同义词
