常見例句雙語例句While the group is far too small to be a galaxy cluster and has not been cataloged compact group, these galaxies all do lie roughly 100 million light-years from planet Earth.這群星系太小了，所以不能算作是星系團(tuán)，而且它們也沒有被歸類成一個致密群。bbs.astron.ac.cn 返回 compact lie group