世界地球日英文手抄报图片六 2017 世界地球日英文手抄报图片七 2 2017 世界地球日英文手抄报图片八 2017 世界地球日英文手抄报内容:Activity origin In 1969 the American Democratic Senator Gaylord nelso n every university in the ......
地球日英语小报资料 The world earth day namely every year on April 22, is an international environmental protection activities. 世界地球日即每年的 4 月 22 日,是一项世界性的环境保护 活动。 Activities originate in the ......