樹的作用 用英語回答
Trees
are
natural
air
conditioners.
樹木是天然的空氣凈化器.
Trees
can
take
harmful
gas
from
the
air,and
release
oxygen
into
the
air.
樹木可以吸收空氣中有害的氣體,並且向空氣中釋放氧氣.
Trees
can
cool
the
air
and
clean
it.
樹木可以使空氣變得涼爽和純凈.
Trees
provide
shelter,food
and
other
things
for
both
humans
and
animals.
樹木為人們和動物提供陰涼,食物和其他東西.