A--seatbelt
B--landfill
C--acid rain
D---electrolytic treatment
E--industrial waste water
F--fly ash
G--greenbelt
H--ecological balance
I--global pollution
J--regional environment
K--shelterbelt
L--enered species
M--the coastal windbreak
N--greenhouse effect
O---environmental pollution
P--sandstorm

（）防护林（）沿海防风带

A--seatbelt
B--landfill
C--acid rain
D---electrolytic treatment
E--industrial waste water
F--fly ash
G--greenbelt
H--ecological balance
I--global pollution
J--regional environment
K--shelterbelt
L--enered species
M--the coastal windbreak
N--greenhouse effect
O---environmental pollution
P--sandstorm