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又射偏了几次后，他们终于将两只箭射进了狮子的胸膛。
After more misses, they finally put two arrows into the lion's chest.
仿射转换指的是平行线在转换后还保持平行。
An affine transformation is one in which parallel lines remain parallel after the transformation.
FBI周一的时候发布了一个去年当时24岁的圣路易斯人用激光幌射警用直升机的录像，几分钟后这人就被警方逮捕了。
A video released by the FBI Monday shows a then 24-year-old St. Louis man shining a laser at a police helicopter last year — and cops arresting him minutes later.
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