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- In order to investigate emission characteristics of fugitive dust generation of falling material, a free falling apparatus was developed in the lab. 摘要为了研究物料下落过程中随机性粉尘的产生特性，在实验室开发并设计了一套自由下落装置。
- free fall apparatus 自由降落装置
- 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？
- An apparatus used to retard free fall from an aircraft, consisting of a light, usually hemispherical canopy attached by cords to a harness and worn or stored folded until deployed in descent. 降落伞一种用于阻止从飞机上自由降落的装置，由一种轻的且通常半球型的篷罩构成，罩子用粗绳系在吊带上，下落时才会展开
- 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。
- Yuke G Number 12's parachute was shot away! It's in free fall! 12号战车的降落伞被击落！它掉下去了！
- An apparatus used to retard free fall from an aircraft,consisting of a light,usually hemispherical canopy attached by cords to a harness and worn or stored folded until deployed in descent. 降落伞一种用于阻止从飞机上自由降落的装置，由一种轻的且通常半球型的篷罩构成，罩子用粗绳系在吊带上，下落时才会展开
- To descend nose down at an acceleration usually exceeding that of free fall. 通常以远大于自由落体的加速度下滑.
- Ups and downs zigs and zags free falls in the dark. 忽上忽下，左转右拐，在黑暗中自由下落。
- Not experiencing the effects of gravity; being in a state of free fall. 失重的没有经受重力作用的；在自由下落的状态中的
- Marotte said Fournier would be in free fall for about eight minutes. 马洛特说，弗尔涅将会在下落过程中作大约8分钟的自由落体运动。
- In the free fall the role of the fingers was minimal; they acted, mainly as a recoil mechanism. 在自由下落动作中手指是最小角色;他们的动作主要是在键上产生反作用力。
- On 7th October 1937, capitaine Sauvagnac beats the world record of free fall without inhalator with 74 seconds. 1939年10月7日，索瓦尼亚克上尉在不戴呼吸面罩的情况下，从空中跳伞并在长达74秒的自由落体之后才打开降落伞，打破了世界纪录。
- In the free fall of Earth orbit, liquids and gases would stay in the pipes and stagnate. 在宇宙空间，宇航员的健康是至关重要的问题.;像管道工一样，附近几乎没有医生。
- By the spring, with gas prices soaring to $4 a gallon, sales of GM's Hummer SUVs were in free fall. 春季时，随着汽油价格飙升至每加仑4美元，通用汽车旗下悍马SUV的销售一落千丈。
- Brad: Parachute drop. How about it Trisha? Up for a little free falling? 本：垂直降落。怎么样？体验一下自由落体的感觉。
