英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

fern    音标拼音: [f'ɚn]
n. 蕨类植物

蕨类植物

fern
n 1: any of numerous flowerless and seedless vascular plants
having true roots from a rhizome and fronds that uncurl
upward; reproduce by spores

Fern \Fern\, adv.
Long ago. [Obs.] --Chaucer.
[1913 Webster]


Fern \Fern\, a. [AS. fyrn.]
Ancient; old. [Obs.] "Pilgrimages to . . . ferne halwes."
[saints]. --Chaucer.
[1913 Webster]


Fern \Fern\ (f[~e]rn), n. [AS. fearn; akin to D. varen, G. farn,
farnkraut; cf. Skr. par[.n]a wing, feather, leaf, sort of
plant, or Lith. papartis fern.] (Bot.)
An order of cryptogamous plants, the {Filices}, which have
their fructification on the back of the fronds or leaves.
They are usually found in humid soil, sometimes grow
epiphytically on trees, and in tropical climates often attain
a gigantic size.
[1913 Webster]

Note: The plants are asexual, and bear clustered sporangia,
containing minute spores, which germinate and form
prothalli, on which are borne the true organs of
reproduction. The brake or bracken, the maidenhair, and
the polypody are all well known ferns.
[1913 Webster]

{Christmas fern}. See under {Christmas}.

{Climbing fern} (Bot.), a delicate North American fern
({Lygodium palmatum}), which climbs several feet high over
bushes, etc., and is much sought for purposes of
decoration.

{Fern owl}. (Zool.)
(a) The European goatsucker.
(b) The short-eared owl. [Prov. Eng.] -- {Fern shaw}, a fern
thicket. [Eng.] --R. Browning.
[1913 Webster]


请选择你想看的字典辞典:
单词字典翻译
Fern查看 Fern 在百度字典中的解释百度英翻中〔查看〕
Fern查看 Fern 在Google字典中的解释Google英翻中〔查看〕
Fern查看 Fern 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Fern - Wikipedia
    As in all vascular plants, the sporophyte is the dominant phase or generation in the life cycle The gametophytes of ferns, however, are very different from those of seed plants They are free-living and resemble liverworts, whereas those of seed plants develop within the spore wall and are dependent on the parent sporophyte for their nutrition [17] A fern gametophyte typically consists of
  • 30 Different Types of Ferns (with Pictures) - Plantglossary
    Ferns are one of the oldest types of plants on the planet, with fern fossils dating back as far as 360 million years There are a huge range of ferns still alive today, growing in a variety of climates and habitats all over the world Estimates indicate that there are between 10,000 and 15,000 different types of ferns Here we take a closer look at some of the most popular ferns amongst gardeners
  • fern - YouTube
    Armchair documentaries, almost weekly Made by @Simplicissimus Occasional voice-overs by @hoog-youtube
  • 35 Types of Fern to Freshen Up Your Home or Garden - The Spruce
    Ferns are perfect for shady, damp spots where other plants struggle to grow Learn about these 35 types of ferns for a woodland garden or wet bathroom
  • Fern | Description, Features, Evolution, Taxonomy | Britannica
    Fern, class of several thousand species of nonflowering vascular plants that reproduce by spores Ferns have true roots, stems, and complex leaves and constitute an ancient division of plants Learn about their physical characteristics, life cycle, genetics, evolutionary history, and classification
  • How to Grow and Care for Outdoor Ferns
    Get the basics about outdoor fern care with our helpful guide, including light, watering, and soil requirements, and types of popular landscape ferns
  • How to Grow and Care for Ferns - Gardeners Path
    Ferns are surprisingly varied and versatile Read more now to learn about planting, caring for, and using these pretty shade-loving wonders indoors and out
  • Fern Varieties: 20 Types Of Indoors Outdoors Ferns with Pictures
    Here is a list of 20 stunning fern varieties to grow indoors or outdoors with pictures and useful tips to help you to identify the different species of ferns and give them the care they need
  • How to Keep Your Porch Ferns Green and Lush All Season and Beyond
    Learn how to care for Boston ferns, the iconic porch plant From watering and sunlight tips to overwintering advice, keep your ferns lush and thriving year-round
  • Ferns - Hawaiʻi Volcanoes National Park (U. S. National Park Service)
    Hāpuʻu Tree Fern (NPS Photo) Hāpuʻu Hāpuʻu are the largest tree ferns in Hawaiʻi, capable of reaching an astounding 35 feet (10 7 m) in height Look for these giants near the summit of Kīlauea There are two varieties commonly seen in the park, hāpuʻu ʻiʻi and hāpuʻu pulu The latter is notable for the soft golden fibers found on stalks, which was used to stuff pillows and





中文字典-英文字典  2005-2009