gre的机经对我们的备考有很强的参考价值，为了方便大家，下面小编给大家带来GRE阅读高频机经原文：星系吞食，来看看吧！
GRE阅读高频机经原文：星系吞食
. 星系吞食
Galactic cannibalism refers to the process by which a large galaxy, through tidal gravitational interactions with a companion, merges with that companion, resulting in a larger, often irregular galaxy. The most common result of the gravitational merger of two or more galaxie
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