请输入您要查询的英文单词:

 

单词 Botryopteridaceae
释义

Botryopteridaceae

plural noun

Bot·​ry·​op·​ter·​i·​da·​ce·​ae
ˌbä‧trēˌäpˌterəˈdāsēˌē
: a family of three or four genera of primitive ferns found in Devonian and Carboniferous rocks of Europe and having the stem strand of xylem surrounded by phloem and the petioles with characteristic single W-shaped vascular bundle

Word History

Etymology

New Latin, from Botryopterid-, Botryopteris, type genus (from botry- + -pterid-, -pteris) + -aceae

随便看

 

英语词典包含469781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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/11/12 10:52:07