Two or more satellites slamming into each other could create many more out-of-control bits that would pose even more hazards to the growing collection of satellites in space.
2019年6月六级真题（第二套）阅读 Section C
柯林斯高阶英汉双解学习词典释义
V-ERG
(把…)砰地关上;(把…)使劲关上
If you slam a door or window or if it slams, it shuts noisily and with great force.