单词	ultrahigh
释义	ul·tra·high (ŭl′trə-hī) adj. Exceedingly high: an ultrahigh vacuum.
随便看	back back backache back and fill back and forth back-and-forth back away Back Bay backbeat backbench backbencher backbite backbiter backboard backbone backboned backbreaker backbreaking backchannel back-check back-checker backcountry backcourt backcross backdate

英语词典包含135693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。