你能详细解释一下爆炸透镜城市活动是如何解锁的吗？拜托
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Once you have unlocked the x-ray lens and have returned to the Konbini store, you get an introduction to the explosion lens events. These are parts of the city events, which you can encounter all across town. You need to finish the first explosion lens event to be able to buy an upgrade to the x-ray lens.