environmental awareness环境意识 expense accountn.报销单 emergency area紧急地区，灾区 emergency action应急行动 Electronic Arts美国艺电 Electronic Attack电子攻击 Effective Address有效地址 East Africa东非 environmental appraisal环境评价，环境鉴定 Electronics Arts电子艺界游戏公司 Engineer Agency工程师管理局[美] Enabling Signal恢复操作信号 Expedited data Acknowledgement加速数据确认 Economic Affairs经济事务 ethacrynic acid