environmentalistn.环保人士；环境论者environmentaladj.环境的；有关环境的environmental dredge环保疏浚environmental policy环境政策environmental hazard环境危害environmentalSystems环境体制environmental tuning环境调整environmental stress外界影响(例如气候)所引起的应力(在零件上)Environmental heatlh环境卫生environmental aspect环境状况Environmental toxins环境毒素environmental affect环境的影响

1. Children are generally more susceptible to environmental hazards than adults.
   儿童一般比成人更容易受到环境危害的影响。
2. In this paper the uncertainties of the source intensity of chemical harzadous sudden acci dents on environmental risk assessment have been discussed.
   讨论了化学危险品突发事故的环境危害评价的不确定性问题。