ダークマターでしょう
dākumatādeshō
1. Probably dark matter.
Noun
#1000567
1. Probably dark matter.
1. dark
1. rich (taste); full-bodied (flavour, flavor)
2. laid-back (lifestyle); relaxed
1. it seems; I think
2. right?; don't you agree?
1. matter; affair
2. matter; material
1. dark blue
1. dark side
1. dark matter
1. dark energy
1. dark horse