哥德巴赫猜想gē dé bā hè cāi xiǎnggedebahecaixiangthe Goldbach conjecture in number theoryCharacters in this word哥elder brother巴to desire, to wish for德ethics, morality想to believe, to wish for猜to guess, to conjecture, to suppose赫bright, radiant, glowingStudy it in Yanamino