急！！！3句中译英——纯人工翻译——英语高手速进啊！！

1. Vast forest degradation will lead to destruction to ecosystem, thus there will be a decrease in biodiversity while a increase on desertification, a tough global warming issue and so on.

2.As secondary students, we may participate various activities such as 'protect forests' to make more and more people
be aware of the significance of preserving the forests, preventing to use disposable chopsticks, saving papers including newspaper and print papers etc.

3.Preserving the forests has enormous influence on reducing natural disasters like floods and droughts, avoiding decreasing biodiversity or preventing the spices from dying out, refreshing the air and so on.

以上都是我自己翻译的，希望对你能有所帮助。

1. Massive destruction of forests will lead to change and destruction of bio-system, which then leads to bad influences like bio-diversity decrease, global warming, desertification, etc.
2. As middle school students, in our daily lives we can contribute to protecting the forest by doing practical things like joining and promoting public welfare events related to "protect the forest" so that more people will understand the importance of protecting the forest, stop using disposable chopsticks, save paper and especially newspaper and printing paper.
3. Protecting the forest resource means a great deal for decreasing natural disasters like flooding and desertification, avoiding bio-diversity decrease and even the dying out of species, improving air quality etc.

1. A large number of forest destruction will lead to changes and destruction of ecosystems, resulting in loss of biodiversity, global warming, desertification and other adverse effects.

2. As students, we can in our daily lives to participate in the "protection forest " promotion of public welfare activities, so that more people recognize the importance of forest protection; do not use disposable chopsticks; save paper, especially newsprint, printing paper; And other practical ways to contribute to the protection of forests.

3. Protection of forest resources to reduce natural disasters such as floods, the occurrence of desertification; to avoid loss of biodiversity and even extinction of species; to improve air quality has very important significance.

1. Lots of forest destruction leads to ecological system change and destruction, causing the biodiversity decrease, global warming, land desertification and other bad influence.
2. As middle school students, we in daily life can through participation in relevant "protect forest" public welfare activity of publicity, making more and more people realize the importance of forest protection, Don't use one-off chopsticks, Save paper, especially newsprint, printing paper, Etc of feasible ways to protect the forest to make the contribution.
3. Protect forest resources to reduce natural disasters such as flood, land desertification occur, Avoid biodiversity decrease even species extinction, Improve air quality has a very important significance.

1，Lots of forest destruction leads to ecological system change and destruction, causing the biodiversity decrease, global warming, land desertification and other bad influence.

2.J as middle school students, we in daily life can through participation in relevant "protect forest" public welfare activity of publicity, making more and more people realize the importance of forest protection, Don't use one-off chopsticks, Save paper, especially newsprint, printing paper, Etc of feasible ways to protect the forest to make the contribution.

3.Protect forest resources to reduce natural disasters such as flood, land desertification occur, Avoid biodiversity decrease even species extinction, Improve air quality has a very important significance.

1 A great number of forests destroyed can lead to the change or destroying of the ecosystem,which causes the problems like decrease of biological diversity , global warming,Land desertification and so on.
2 As a middle school student, we can make a contribution to protecting the forest in many feasible ways ,for example: we can take part in some public service advertising ralated to forest conservation to make more peple be ware of forest conservation;do not use disposable chopsticks;save papers ,especially newsprint,printing paper.
3 To the decrease of natural calamities such as floods and desertification,to avoid the decrease of biological diversity even the species distinctionand to improve the air quality , forest conservation is of far reaching imporance

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