free fall

free fall读音音标

英 [fri: fɔ:l]

美 [fri fɔl]

free fall意思解释

n.

自由降落（尤指降落伞张开前的降落），（尤指火箭等的）惯性运动；

变形

复数：free falls

英英释义

n.

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

a sudden sharp decrease in some quantity

同义词：dropdipfall

双语例句

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。It was observed that, with a wider orifice, kinematic arching effect vanishes and even free gravity-fall arises.在大出口情况，结拱不易形成，并出现颗粒自由下落现象。