网站首页 汉语 德语 英语
In an animal: a back with a convex profile due to an arched spine. Occasionally as adjective: = roach-backed.
Mid 18th century; earliest use found in William Gibson (?1680–1750). Apparently from roach + back, after roach-backed.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。