美国以前的核中心现在是野生动物保护区

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stuff – n. materials, supplies, or equipment; used to refer to something when you do not need to name exactly what it is

mishandle – v. to deal with in the wrong day

radioactive element – n. a substance containing radiation

view – n. the ability to see something or to be seen from a place

trigger – n. a device that activates something else, causing it to explode