自由降落，惯性运动；

1. 公共查询·英语单词

1. 自由落体：他把<欲望之链>>(Chain of Desire)、<拥抱我、震撼我、亲吻我>>(Hold Me, Thrill Me, Kiss Me)、<自由落体>>(Free Fall)这些影片制成录像带和电视节目出售,每年能从新影公司的片库中榨取20万到40万元.

2. 自由下坠：fractional inequality 分式不等式 | free fall 自由下坠 | frequency 频数;频率

3. 自由下坠,自由下落：free electron 自由电子 | free fall 自由下坠,自由下落 | free falling body 自由落体

4. (跳伞等)自由降落,惯性运动：crash 崩溃、垮台、失败 | free fall (跳伞等)自由降落,惯性运动 | low 低水平,低数字,低点

1. a sudden sharp decrease in some quantity

    e.g. a drop of 57 points on the Dow Jones index
           there was a drop in pressure in the pulmonary artery
           a dip in prices
           when that became known the price of their stock went into free fall

    Synonym: dropdipfall

2. the ideal falling motion of something subject only to a gravitational field