| 单词 | 自由落体 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔ballistic missile〕A projectile that assumes a free-falling trajectory after an internally guided, self-powered ascent.弹道导弹：在内部导向、自备动力的上升后假设为自由落体的弹道美国传统〔dive〕To descend nose down at an acceleration usually exceeding that of free fall. Used of an airplane.（飞机）俯冲：通常以远大于自由落体的加速度下滑。用于飞机美国传统〔microgravity〕An environment in which there is very little net gravitational force, as of a free-falling object, an orbit, or interstellar space.微重力：对于自由落体、轨道、或是星球间空间有着非常微弱净重力的环境美国传统〔obey〕Falling objects obey the law of gravity.自由落体遵循引力定律。剑桥高阶〔parachute〕Any of various similar unpowered devices that are used for retarding free-speeding or free-falling motion.缓降物：用于阻碍加速前进或自由落体运动的几种类似无动力装置中的一种美国传统〔parachuting〕His hobby is freefall parachuting.他的业余爱好是自由落体式跳伞。柯林斯高阶〔skysurfing〕The sport of performing maneuvers or stunts during free fall while riding on a skyboard.空中冲浪：踩在滑雪板时自天空如自由落体般落下时表演花招或是惊险特技美国传统Falling objects obey the law of gravity.自由落体物遵循引力定律。剑桥国际The stock price is falling like a free fall. 股价像自由落体一样下跌。译典通 |
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