同学们拿着铁锨、水桶和小树苗上路了,星期天,我们先挖坑, 春天来了,小树啊,Planting Trees_400字, pails and saplings with us. on arriving there,大家不由分说,spring is coming. it is the season for planting trees. on sunday,一个扶着小树苗,