第13页

信息发布者：
penguin
climate
around
return
store
therefore
ton
include
included
included
including
hold
held
held
act
action
harmful
harmless
harm
sadly
sad
the natural world
lie between... and...
coral reefs
look like rocks
keep water in their leaves
the earth's main ecosystems
slow down
have a role to play
keep the balance
make the water clean
help prevent floods
take in
help clean the air
climate change
act like the “kidneys” of the earth
call forests the “lungs” of the earth
The climate in deserts is
so awful that only a few animals and plants
can live there.
This goes on and on, so the
ocean is just like the “heart” of the earth.
It holds plenty of salt water, and the water
rises to the sky, falls onto the land and then
returns to the ocean.
Forests make up nearly a third of the earth's
land area.
上一页 下一页