单词	subtype
释义	sub·type (sŭbtīp′) n. A group forming a type within a larger type.
随便看	bach it bacillar bacillary bacillus Bacillus Calmette-Guérin vaccine bacitracin 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

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。