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free fall

US [f'rifɔl]
UK [f'ri:fɔ:l]
  • na.(跳伞的)自由降落;降落伞张开以前的降落;(火箭等的)惯性运动
  • Web自由落体;自由落体型;自由跌落
na.
1.
(跳伞的)自由降落;降落伞张开以前的降落
2.
(火箭等的)惯性运动

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Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
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