existence: n.1.存在,实在,继续存在。2.生存,生活,生活方式。3.实体,存在物,生物。短语和例子a precarious [hollow] existence 朝不保夕的[空虚的]生活。 a struggle for existence生存竞争。 be taxed out of existence 因税重而绝迹。 bring [call] into existence使发生,使产
Environmental pollution is a phenomenon caused by human activities that degrade environmental quality and damage the normal existence and development of mankind and other lives 环境污染是由于人类活动所引起的环境质量下降而出现的有害于人类及其他生物的正常生存和发展的现象。