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VOA慢速英语:研究称大型行星可能撞上了年轻的木星
2019-08-26来源:和谐英语
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diluted – adj. made weaker by mixing in something else
core – n. the center or most important part of something
calculation – n. a mathematical estimate of something
impact – n. the force with which one thing hits another
postulate – v. to suggest or accept that a theory or idea is true