Definition
n.
(astronomy) black hole(literally) dark holecave
Examples
- 黑洞。Kēxuéjiā fāxiàn le yí gè hēi dòng.Scientists discovered a black hole.
- 黑洞,。Zhège shāndòng lǐ yǒu yí gè hēi dòng, hěn hēi.There is a dark hole in this cave, very dark.
- 黑洞。hēi dòng de yǐnlì fēicháng qiáng.The gravitational pull of a black hole is extremely strong.
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