网站首页
词典首页
请输入您要查询的英文单词:
单词
pteridosperm
释义
pteridosperm
美
英
n.
种子蕨
复数:
pteridosperms
同义词
n.
seed fern
英汉
英英
网络释义
n.
1.
种子蕨
n.
1.
an
extinct
plant
that
bore
seeds
and
resembled
a
fern
1.
种子蕨
种子蕨
(
Pteridosperm
),虽还无真正的种子,但却具有胚珠,它可能是向裸子植物演化的高级过渡类型。繁盛于石炭纪和二叠纪…
www.baike.com
例句
随便看
external pressure circulatory assist
external pressure cylinder
external pressure flange
external pressure heads and shells
external pressure region
external pressure single type axial expansion joint
external pressure strength
external pressure test
external pressure tester
external pressure vessel
external prestress
external prestressing
external prestressing cable
external price
external price competitiveness
external printing
external priority
external priority discipline
external priority interrupts
external priority number
external procedure
external procedure identifier
external procedure reference
external processing
external profile diameter
英汉双解词典包含2704715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。
Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2026/6/15 10:53:38