1. 大陸   continent   river   peak   valley   Hint Half-n-half Clue   2. 河   continent   ocean   river   waterfall, falls   Half-n-half Clue   3. 峰頂   city, town   mountain   cape   peak   Half-n-half Clue   4. 半島   peninsula   peak   city, town   river   Half-n-half Clue   5. 礁石   island   mountain   reef   plateau   Half-n-half Clue   6. 海   cape   sea   desert   reef   Half-n-half Clue   7. 綠洲   bay   continent   oasis   desert   Half-n-half Clue