1. 洞穴、洞窟   cave   nest   kennel   hive   Hint Half-n-half Clue   2. 巣   cave   nest   stable   hive   Half-n-half Clue   3. 檻　   nest   cage   burrow   cave   Half-n-half Clue   4. 巣箱　   hive   cage   hole   cave   Half-n-half Clue   5. 小屋   burrow   stable   kennel   hive   Half-n-half Clue   6. 養蜂   cage   shed   apiary   stable   Half-n-half Clue   7. 飼鳥園　   apiary   shed   aviary   hole   Half-n-half Clue