1. ray   ban qiu   [liu;lu] [jia;jiao;jue] xing   chui zhi xian   guang [mang;wang]   Hint Half-n-half Clue   2. heptagon   duo [jia;jiao;jue] xing   [ao;wa] mian   ling xing   qi [bian;bian] xing   Half-n-half Clue   3. perpendicular lines   ping [hang;hang;heng;xing] si [bian;bian] xing   chui zhi xian   luan xing   duan   Half-n-half Clue   4. prism   duan dian   [leng;leng;ling] jing   wu [bian;bian] xing   [liu;lu] [jia;jiao;jue] xing   Half-n-half Clue   5. hexagon   [bian;bian] yuan   [liu;lu] [jia;jiao;jue] xing   wu [bian;bian] xing   fei ji   Half-n-half Clue   6. pyramid   duan   [bian;bian] yuan   wu [bian;bian] xing   jin zi [da;ta]   Half-n-half Clue   7. oval   [bian;bian] yuan   luan xing   zhi xian   jin zi [da;ta]   Half-n-half Clue