墜落

(1)descend in free fall under the influence of gravity; "The branch fell from the tree"; "The unfortunate hiker fell into a crevasse"

(2)重力の影響を受けている時、歯止めなく落下する

(3)fall or come down violently; "The branch crashed down on my car"; "The plane crashed in the sea"

(4)落ちる、あるいは激しく下降する

(1)