Later on, clusters might violently collide and merge with each other to form galaxies. Then the merging of galaxies produced even larger galaxies.是什么意思_Later on, clusters might violently collide and merge with each other to form galaxies. Then the merging of galaxies produced even larger galaxies.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句