1. 礁、暗礁   cape   reef   island   continent   Hint Half-n-half Clue   2. 山頂, 峰   bay   strait   city, town   peak   Half-n-half Clue   3. 岬   sea   lagoon   cape   valley   Half-n-half Clue   4. 国   country   river   island   ocean   Half-n-half Clue   5. 湖   mountain   valley   lagoon   lake   Half-n-half Clue   6. 川、河川   river   ocean   sea   strait   Half-n-half Clue   7. 海峡, 瀬戸   river   plain   reef   strait   Half-n-half Clue