free-fall
sp. 自由投放
近义词：parachute，jump，descend，drop，fall，skydive，plummet，dive，bomb，collapse，decline，fallapart，self-destruct，
英英释义
名词freefall
- the ideal falling motion of something subject only to a gravitational field
- a sudden sharp decrease in some quantity
例句
- Share prices have gone into free fall. 股价猛跌不止。
- After that, it's 50 seconds of intense free fall. 之后,是50秒钟快速的自由降落。
- Is it to practice free fall parachuting? 体验自由落体跳伞？
- For large, extended chords thrust is preferable to free fall. 用推力动作弹奏伸展的大和弦优于自由下落动作。
- The stock price is falling like a free fall. 股价像自由落体一般坠下。
- Pharr enjoyed a minute of free fall as the cold air rushed by. 法尔经历了一分钟的自由落体，尽情享受着迎面而来的清新空气。