1. 辛可宁   willow   palm   walnut   cinchona   Hint Half-n-half Clue   2. 杨柳   cinchona   holly   rosewood   willow   Half-n-half Clue   3. 红木   teak   holly   walnut   rosewood   Half-n-half Clue   4. 冬青属   walnut   palm   rosewood   holly   Half-n-half Clue   5. 椰子   palm   cinchona   coconut   teak   Half-n-half Clue   6. 棕榈   rosewood   palm   cinchona   teak   Half-n-half Clue   7. 核桃   walnut   sandalwood   palm   spruce   Half-n-half Clue