melena
美
英 [mə'li:nə]
- 网络黑便；黑粪症；黑血便
n. | 1. a condition characterized by the production of black stools that are caused by bleeding into the bowel and the subsequent chemical changes in the blood effected by the bowel fluids |
英汉词典包含292483条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。