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ask turtles [depart]) Q7 F! }/ H& k Z6 z. U7 U9 k
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to depart % T9 \3 r, _3 }1 K# ^ 让x个乌龟死亡; {- ?' ]* {5 D$ M: b; r
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“让x个乌龟死亡”该怎么写呢?