非航行船舶
The UN Convention on the Law of Non-Navigational Uses of International Watercourses provides that special attention be given to "the requirements of vital human needs".
UNESCO: SERVICE DE PRESSE
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。