梦西游
幼苗
共回答了16个问题采纳率:100% 举报
树木可以净化空气 Trees can purify the air
树木可以防洪 Trees can flood control
树木是天然蓄水库和天然空调 Trees are the natural reservoir and natural air conditioning
树木可以防止水土流失和土地荒漠化 Trees can prevent water loss and soil erosion and land desertification
1年前
16