黑洞 (hēi dòng) — (astronomy) black hole; (literally) dark hole, cave

Definition

Examples

• 科学家发现了一个黑洞。
  Kē xué jiā fā xiàn le yí gè hēi dòng.
  Scientists discovered a black hole.
• 这个山洞里有一个黑洞，很黑。
  Zhè ge shān dòng lǐ yǒu yí gè hēi dòng, hěn hēi.
  There is a dark hole in this cave, very dark.
• 黑洞的引力非常强。
  hēi dòng De yǐn lì fēi cháng qiáng.
  The gravitational pull of a black hole is extremely strong.