free-fall 详细解释

free-fall

自由投放

词形变化

形容词: free-enterprise |

英英释义

名词 free-fall:

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

同义词：free fall

a sudden sharp decrease in some quantity

同义词：drop, dip, fall, free fall

补充

free-fallfree-falln.1.①自由下落[下降]②跳伞员于降落伞张开之前的自由降落③自由下跌

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