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(单词翻译)
Astronomers1 at Britain's Durham University have found an ultramassive black hole
It's one of the biggest ever — roughly 30 billion times the mass of our sun. It's the first to be found using gravitational lensing. That's when a nearby galaxy3 acts like a giant magnifying glass.
SACHA PFEIFFER, HOST:
Good morning. I'm Sacha Pfeiffer. Astronomers at Britain's Durham University have found an ultramassive black hole. It's one of the biggest ever, roughly 30 billion times the mass of our sun, and about as big as a black hole could theoretically be. It's the first to be found using gravitational lensing. That's when a nearby galaxy acts like a giant magnifying glass. For the scientists who pulled this off - pun alert - it's definitely a big bang. It's MORNING EDITION.
收听单词发音
1
astronomers
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| n.天文学者,天文学家( astronomer的名词复数 ) | |
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transcript
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| n.抄本,誊本,副本,肄业证书 | |
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3
galaxy
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| n.星系;银河系;一群(杰出或著名的人物) | |
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