譯英文~~20分

要英and中解釋,又要英例句,還要詞性:
geography , location , scale ,map ,conventional signs ,continent , ocean ,longitude,latitude,pollution,population,scramble,land use,environment,atlas,advantage
disadvantage
substance
material
method
procedure
chemicals
shake
connect
reaction
structure
feature
initial
final
diagram
label
guess
statement
suitable
explain
condition
prove
improve
compare
similar
differences
set-up
according to
involve
oxygen
positive numbers
negative numbers
pyramid
pharaoh
city-state
empire
democracy