overpopulation
noun
ˌəʊvəpɒpjʊəˈleɪʃən
noun
1
when
there
are
too
many
people
living
in
a
particular
place
人口过多，人口过密
efforts
to
reduce
overpopulation
降低人口密度的努力
our
overpopulated
cities
我们人口密度过高的城市