单词	Laurasian
释义	Laurasian /lɔːˈreɪʒən / adjective Relating to or characteristic of the vast continental area of Laurasia believed to have existed in the northern hemisphere and to have resulted from the break-up of Pangaea in Mesozoic times: an extinct Laurasian group
随便看	back to front back-to-nature back to (or at) square one back-to-school back to the drawing board backtrack back-translation back up backup backup light backveld backvelder backward backwardation backward caste backward class backward classes backward-compatible backward difference backward integration backward-looking backwardly backwardly compatible backward masking backwardness

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。