对: answer; reply环境: environment; surroundings; c ...问题: question; problem的: 4次方是 The fourth power of 2 i ...对策: the way to deal with a situa ...环境问题,环境问题: environmental problem环境问题: environment issues; environmental aspect; environmental challenge; environmental concerns; environmental i ues; environmental issues; environmental people; environmental porblem; environmental problems国际贸易中环境问题的南北冲突与协调: conflict and coordination on environment problem in international trade环境问题投诉: environmental complaint环境问题研究: environmentology环境问题专家: environmentalist人为环境问题: man-in environment problems职业环境问题: occupational environmental problem自然环境问题: natural environmental stress环境问题工作组: working grouon the environment空气污染环境问题: air pollution environmental problem; airpollutionenvironmentalproblem潜在的环境问题: environmental implication全球性环境问题: global environmental problem亚洲环境问题协会: asian environmental society选取有问题的对象。: selbadobjects北美洲环境问题联盟: encona; environmental coalition for north america布伦特兰环境问题委员会: bruntland commission on the environment东非环境问题次区域小组: eastern african subregional environment group东盟环境问题部长级会议: asean ministerial meeting on the environment非洲环境问题部长级会议: african ministerial conference on environment
