1815 Burrow Conchol. 37Retuso-umbilicate; the spire being so much impressed as to seem rather concave than convex.
1856–8 W. Clark Van der Hoeven'sZool. I. 790Shell univalve, covering body entirely above, clypeate or retuso-conical.
词汇 | retuso- |
词根词缀 | OED
|
随便看 |
英语词根词缀词典收录了54763条英语词根词缀词条,基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析,是记忆英语词汇的必备工具。