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单词 black heat
释义

Definition of black heat in English:

black heat

noun
  • A degree of heat or a temperature that is not sufficiently warm enough to produce visible light.

Origin

Early 19th century; earliest use found in William Herschel (1738–1822), musician and astronomer.

Definition of black heat in US English:

black heat

noun
  • A degree of heat or a temperature that is not sufficiently warm enough to produce visible light.

Origin

Early 19th century; earliest use found in William Herschel (1738–1822), musician and astronomer.

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