Falling-object protective structures 落物保护结构 ; 坠落物防护结构
Unstoppable Falling Object 阁下可曾
falling object protective structure 落物保护结构
free falling object 自由落体
Struck falling object 被下落物体击中
The falling object, after traveling a certain distance through the air reaches a final speed, or "terminal velocity," because the object's friction with the air slows the fall.
物体在下落一定距离后由于空气阻力都会达到一个终极速度。
"Several residents [reported] seeing what appeared to be two aerial explosions, followed by falling object," it said.
文档称：“据报道，几位当地居民都曾目睹两次空中爆炸后飞碟坠毁。”
A small, dark, stationary, spherical object is positioned in the sea close to shore, but contrary to earlier speculation, that is not the falling object.
有一个小型、深色、坚固、圆形的物体被放在接近海滩的海里，但和早期推断不同的是，这并不是那个下落的物体。
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