相关单词同义词half round, 近义词 crescent 新月, hemispherical 半球形状的, falcate 镰状的, curved 弯曲的临近词semi, Semitize相似词semi-skimmed, semiautomatic, semibreve, semicircle, semicolon, semiconductor, semifinal, semilunar valve, 返回 semicircular