1. [lu;lu:] zhou   oasis   glacier   reef   waterfall, falls   Hint Half-n-half Clue   2. feng ding   peak   country   city, town   waterfall, falls   Half-n-half Clue   3. he   peak   glacier   river   city, town   Half-n-half Clue   4. ping yuan   glacier   mountain   plain   reef   Half-n-half Clue   5. [da;dai] [liu;lu]   continent   oasis   peninsula   glacier   Half-n-half Clue   6. hai yang   valley   bay   ocean   desert   Half-n-half Clue   7. cheng shi ，zhen   city, town   continent   mountain   waterfall, falls   Half-n-half Clue