shell fragments velocity 破片群速度
The shell fragments on impact.
贝壳受撞击会破碎。
In parts of Northern France, farmers still plough up shell fragments and weapons.
在法国北部某些地方，农民犁地时还常常翻出弹片和武器。
Inside, the camera revealed nine black figures painted on blood-red walls, along with jade and shell fragments, which are believed to be part of a funerary costume.
在里面，照相机显示有九个黑色数字印在血红色的墙壁，还有玉和贝壳的碎片，这些被认为是陪葬服装的一部分。
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