cosmic ray
Longman Dictionary of Contemporary English 5++LDOCE 5++ˌcosmic ˈray noun [countable usually plural] HAa stream of radiation reaching the Earth from space 宇宙射线
Examples from the Corpus
cosmic ray• A stray cosmic ray might do the same thing.ˌcosmic ˈray nounChineseSyllable
a stream Earth Corpus of the reaching from radiation
cosmic ray
ˌcosmic ˈray
noun [countable usually plural]
a stream of radiation reaching the Earth from space
ˌcosmic ˈray
noun [countable usually plural]a stream of radiation reaching the Earth from space