1. 红木   cinchona   coconut   rosewood   willow   Hint Half-n-half Clue   2. 椰子   coconut   sandalwood   holly   walnut   Half-n-half Clue   3. 檀香木   palm   walnut   spruce   sandalwood   Half-n-half Clue   4. 核桃   spruce   walnut   rosewood   sandalwood   Half-n-half Clue   5. 柚木树   spruce   coconut   walnut   teak   Half-n-half Clue   6. 冬青属   spruce   sandalwood   holly   cinchona   Half-n-half Clue   7. 云杉   willow   coconut   spruce   sandalwood   Half-n-half Clue