单词：galactic cluster
galactic cluster的用法和样例：
例句
- All three findings pointed to dynamic movement in galaxiesin monstrous galactic clusters, the largest stable structures in the universe.的三项发现都指出，在宇宙最大的稳定结构，即星系和巨大银河星团中有动态的运动。
单词：galactic cluster 相关文章
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Cluster balloonists tie a bunch of helium balloons to a lawn chair, sit in the chair, cut the anchor rope, and go flying into the wild blue yonder. To land, they cut some of the cords attaching the balloons to the chair. A small group of daredevils h
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Virgin Galactic Completes Test of Spaceship to Carry Tourists Virgin Galactic says its spacecraft designed to launch tourists into space completed an important test flight on Thursday. The rocket ship, called SpaceShipTwo VSS Unity, climbed more than
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2006年VOA标准英语（八月）
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