1. 峰顶   oasis   peak   lagoon   waterfall, falls   Hint Half-n-half Clue   2. 谷   ocean   reef   bay   valley   Half-n-half Clue   3. 城市，镇   cape   bay   sea   city, town   Half-n-half Clue   4. 盐水湖   oasis   river   valley   lagoon   Half-n-half Clue   5. 半岛   peninsula   city, town   desert   plateau   Half-n-half Clue   6. 河   river   reef   cape   lake   Half-n-half Clue   7. 海   sea   lake   bay   ocean   Half-n-half Clue