1. 草   grass   stem   twig   leaf   Hint Half-n-half Clue   2. 叶子   root   flower   twig   leaf   Half-n-half Clue   3. 叶子   leaves   thorn   branch   grass   Half-n-half Clue   4. 根   bark   root   stump   twig   Half-n-half Clue   5. 果子   bud   twig   fruit   trunk   Half-n-half Clue   6. 树干   trunk   twig   leaves   stem   Half-n-half Clue   7. 芽   bud   root   leaves   flower   Half-n-half Clue