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信息发布者：

ocean

cover

surface

desert

forest

rock

ground

plain

flat

land

rise

the world's land area

help make the air fresh

be covered with

run through mountains

tell

me

something

runs

all

the

way

fresh

farming

powerful

flood

destroy

nothing

mostly

sand

nobody

conditions

survive

huge

planet

produce

oxygen

breathe

northern

north

two−thirds of the earth's surface

get in my way

use it for farming and washing

destroy homes and lives

be home to

look like an ocean

of white

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