联合国环境与发展会议
以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译
An international day to celebrate freshwater was recommended at the 1992 United Nations Conference on Environment and Development (UNCED).
UNESCO: World Water Assessment Programme (WWAP)
In 1992, he served as head of the U.S. Delegation to the United Nations Conference on Environment and Development in Rio de Janeiro.
WHITEHOUSE: President Obama Announces More Key Administration Posts
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。