1. 沙丘   ball   cap   sandal   dune   Hint Half-n-half Clue   2. 太阳镜   sunglasses   motorboat   surfing   surf   Half-n-half Clue   3. 化装室   sunbath   surfing   motorboat   dressing room   Half-n-half Clue   4. 中暑   sunstroke   suntan lotion   lifeboat   hat   Half-n-half Clue   5. 拖鞋   sunbath   sunstroke   swimming   slipper   Half-n-half Clue   6. 海浪   sunshade   surf   sunshine   sunrise   Half-n-half Clue   7. 帽子   hat   lifeboat   sunshine   sunglasses   Half-n-half Clue