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free fall的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
the ideal falling motion of something subject only to a gravitational field
-
a sudden sharp decrease in some quantity;
"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"
free fall的用法和样例：
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。
词汇搭配
- free fall 自由下落
