reals
词形变化：
同义词：
genuine | actual | sincere | original | very | really | existent | truly | true | extremely | honestly | absolutely | authentic | substantial | honest | unfeigned | legitimate | pure | certain | tangible | literal | single | official | good | so | concrete | factual | wool | proof | confirmed | virtual | strict | physical | natural | faithful | bona fide | bona | realistic | real number | rattling | veridical | material |
反义词：
unreal | nominal | personal | ideal | imaginary | apparent |