dark nebula

名词 n.
中文释义

英文释义

名词 n.
  1. A type of nebula that does not emit or reflect (visible) light, and thus obscures light sources behind it.
    — The Horsehead Nebula is a typical dark nebula, and is famous for resembling the head of a horse.

词形变化

dark nebulas plural dark nebulae plural
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