这种液体分子紧密地挤压在一起，但是又排列松散。
The molecules in such liquids are closely packed, but loosely arranged.
有的漩涡星系长得和银河很像，有的星系则呈橄榄球般的椭圆形，还有的只是群星松散的排列，没有鲜明的形态。
Some spiral galaxies like our own, others elliptical in shape more like rugby balls and others just loose clumps of stars with no real defined shape.
这种液体中的分子可以形成紧密的排列，但平时处于松散状态。
The molecules in such liquids are closely packed but loosely arranged.
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