塩基性酸化物: (chemistry) basic oxide

(astronomy) black dwarf

a type of interstellar cloud that is so dense that it obscures light from background stars; a dark nebula

暗黒星雲: a type of interstellar cloud that is so dense that it obscures light from background stars; a dark nebula

where there's smoke, there's fire

don't cry over spilt milk

(poetic) a mountain where the first-person speaker resides / (by extension, poetic) Synonym of 比叡山 (Hiei-zan): Mount Hiei, where Saichō erected Enryaku-ji, the first Tendai monastery

a land, a large place / a country in general, a region / a country as in a nation, a state

country

(archaic, possibly obsolete) a kind of beriberi (vitamin B deficiency) causing swelling of the lower leg