单词	breastbone
释义	breastbonebreastbone /ˈbrɛstboʊn/ noun [countable] science, biology the long flat bone in the front of your chest to which the top seven pairs of ribs are connected
随便看	serge sergeant sergeant-at-arms sergeant major serial serialization serialize serially serial monogamist serial monogamy serial number series series circuit serif serious seriously seriousness sermon sermonize serotonin serous serpent serpentine serrated serration

英语词典包含48224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。