慢速英语:巨大的波多黎各望远镜倒塌了

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reflector - n. an object that is used to reflect light, signal

rumble - n. low, heavy series of sound

astronomer - n. a scientist who studies stars, planets and objects in outer space

cable - n. a thick, strong rope made of wires that are twisted together

inspire - v. to make someone wants to do something

cosmic - adj. of or relating to the universe or outer space

surpass - v. to be better or greater than something