如果它真的存在，它会占据宇宙四分之三的物质。

If it exists at all, it makes up about three-quarters of the stuff in the universe.

youdao

如果它真的存在，它会占据宇宙四分之三的物质。

If it exists at all, it makes up about three-quarters of the stuff in the universe.

youdao