human races

名词 n.

英文释义

名词 n.
  1. plural of human race form-of,plural
    — For instance it might be objected that if the universe contained two human races, the one immensely long-lasting and the other short-lasting, and if these had the same population figures until AD 2150, then finding yourself before AD 2150 could give you no clue as to which human race you were in.
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