dark matter

noun

🔊/ˌdɑːk ˈmætə(r)/

🔊/ˌdɑːrk ˈmætər/

[uncountable] (astronomy天文学)

jump to other results

according to some theories, material that exists in space but does not reflect any light暗物质（根据一些理论，指太空中不反射光的物质）Topics Spacec2, Physics and chemistryc2