freefall
US /ˌfriːˈfɑːl/
UK /ˌfriːˈfɑːl/
1.
自由落体
an occasion when something or someone falls quickly under the influence of gravity (= the force that attracts objects toward one another, especially the force that makes things fall to the ground):
:
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Skydivers are propelled into a 70-second freefall at 120mph before their parachutes open.
1.
自由落体
to fall quickly under the influence of gravity (= the force that attracts objects toward one another, especially the force that makes things fall to the ground):
:
•
The plane dropped very suddenly and seemed to freefall for more than 15 seconds.