?三角铁链
... delta aircraft 三角翼飞机 delta hinge 三角铁链 delta wing 三角翼 ...
三角铁链
How they will open could hinge on a raft of corporate earnings from the likes of DuPont, US Airways and Delta Airlines.
NPR: Chinese Stocks Underperform On Growth Concerns
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。