free fall

• 自由下落； (降落伞张开之前的) 降落

英英释义

Noun:

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

2. 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"
   

词汇搭配

• free fall 自由下落

近反义词

【近义词】

• fall 落下
• drop 落下
• dip 浸