单词	retroperitoneal
释义	ret·ro·per·i·to·ne·al (rĕt′rō-pĕr′ĭ-tn-ēəl) adj. Situated behind the peritoneum.
随便看	rollicking rollickingly rollicksome rollicky rolling blackout rolling mill rolling paper rolling pin rolling stock Rollins roll in the hay rollmops Rollo roll-on roll out rollout roll out the red carpet roll over rollover roll the bones roll-top desk rolltop desk roll up roll-up rollway

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。