词条纠错
X

ferns

您还没有登录,点这里登录注册
登录后,您可以提交反馈建议,同时可以和手机、电脑同步生词本。
英汉-汉英词典中发现10个解释错误,并通过审核,将获赠「欧路词典」授权一个

ferns

音标:/fə:n/ 生词本: 添加笔记:
有奖纠错
| 划词

Terrestrial ferns; stipes tuft, backlish at base; young fronds pinnaye with wider pinnae, when getting older, the fronds become bipinnate or tripinnatifid with slender pinnules.

,叶柄丛,基部黑色;较年轻的叶子一回羽状复叶,较老的叶子二回或三回羽状复叶。

The ultrastructure of the blepharoplast and the multilayered structure (MLS) in the fern Osmunda cinnamomea var.

精子发育过程中的毛体和多层结构的超微结构进行了研究。

Ferns grow in shady and moist places.

羊齿类长在阴暗潮湿的地方。

Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.

蕨类是最早登陆的维管植仍然是态系统初级产力的重组成部分。

Homosporous ferns produce sporophytes by intra gametophytic selfing, inter gametophytic mating, or apogamy.Gametangium ontogeny, genetic load, and ploidy affect the mating system of each species.

型孢子蕨类的孢子体可经由配子体自交、异配子体交配两类配育系统或以无配殖的方式产,异配子体交配又可分为异配子体自交和异配子体异交两种方式。

Indusium The flap of tissue, derived from the placenta, that encloses the developing sporangia in the sorus of a fern.

是一种起源于胎座(应为叶表皮译者注)的瓣片状组织,覆盖在蕨类孢子囊群中正在发育的孢子囊上。

Rhizoid A unicellular rootlike structure found in certain algae and in the gametophyte generation of the bryophytes and some ferns.

在一些藻类、苔藓植和裸子植配子体中存在的由单个细胞形成的类似根的结构。

Apomixes is comparable to the conditions of apogamy and apospory, which are seen in many ferns.

在许多蕨类中常见的无融合殖包括无配子殖和无孢子殖。

Here in the rainforest, the giant ohia lehua trees and hapuu ferns provide protective canopy to an amazingly diverse collection of plants and animals.

就在这片雨林中,高大的ohia lehua树和那叫hapuu的蕨类给丰富得令人惊奇的动植撑起了一把保护伞。

Apospory is found in some mosses and ferns.

无孢子殖存在于一些苔藓和蕨类中。

The Kizilsu palynofloras are characterized by the dominance of coniferae, abundance of schizaeaceous ferns and presence of primitive angiospermous pollen.

克孜勒苏群孢粉组合以松杉目的优势、真蕨目海金沙科的显赫和原始被子的出现为特征。

声明:以上例句、词性分类均由互联网资源自动成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。

显示所有包含 ferns 的英语例句

用户正在搜索


dodge, Dodge City, dodgeball, dodgem, dodgems, dodger, dodgers, dodgery, dodging, Dodgson,

相似单词


fernico, ferning, Fernite, fern-leaf, fernling, ferns, fernwort, ferny, ferocious, ferociously,
[+反馈]
  • 微信二维码

    关注我们的微信

  • 手机客户端二维码

    下载手机客户端

赞助商链接

您还没有登录,点这里登录注册
生词本和学习记录“云”同步,支持网站、电脑版和手机客户端。