Similarly, the board believed that a hang-glider or para-motor would be radar significant and that conditions precluded them, as they did para-gliders or parascenders.
BBC: Airliner 'had narrow miss with UFO'
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。