1. 山岳   mountain   reef   valley   ocean   Hint Half-n-half Clue   2. 大洋, 海洋   peninsula   lagoon   valley   ocean   Half-n-half Clue   3. 沃地   oasis   strait   city, town   sea   Half-n-half Clue   4. 半島　   glacier   peninsula   bay   river   Half-n-half Clue   5. 氷河   ocean   glacier   oasis   country   Half-n-half Clue   6. 川、河川   ocean   cape   valley   river   Half-n-half Clue   7. 山頂, 峰   bay   peninsula   island   peak   Half-n-half Clue