1. 河岸   mountain range   countryside   archipelago   river bank   Hint Half-n-half Clue   2. 雨林   globe   hill   rainforest   forest, woods   Half-n-half Clue   3. 小河   creek   countryside   mountain pass   map   Half-n-half Clue   4. 洞   trench   volcano   cave   mountain pass   Half-n-half Clue   5. 地图   summit, top   sea bed   rainforest   map   Half-n-half Clue   6. 疆土   landscape   forest, woods   swamp   territory   Half-n-half Clue   7. 群岛   forest, woods   spring   stream   archipelago   Half-n-half Clue