植树运动: afforestation campaign带来: bring about; produce绿色: green的: 4次方是 The fourth power of 2 i ...尼日尔: the Niger全民植树运动: a nationwide tree planting drive义务植树运动: a voluntary forestation campaign大规模植树运动: a major tree planting drive乌干达妇女植树运动: uganda women tree planting movement尼日尔: the niger◇尼日尔人 nigerois抱树运动: chipko movement爬树运动: tree climbing波尼日尔: ponizsil尼日尔阿马: nigerama尼日尔城市: cities in niger尼日尔城镇: diffa尼日尔地理: geography of niger尼日尔公司: niger office; office du niger尼日尔国旗: flag of niger尼日尔河: niger river尼日尔龙: nigersaurus尼日尔人: nigerien尼日尔州: niger state尼日尔总理: hama amadou尼日尔总统: mamadou tandja