Northbound traffic is moving very slowly.北行的车辆行驶非常缓慢。
All northbound flights are likely to be delayed.所有北飞的航班都可能延误。
英汉双解词典包含368430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。