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Apospory is found in some mosses and ferns.

无孢子生殖存在于一些苔藓和蕨类植物

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Ferns grow in shady and moist places.

羊齿类植物生长在阴暗潮湿地方。

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

在许多蕨类植物无融合生殖包括无配子生殖和无孢子生殖

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

精子发育过程中生毛体和多层结构超微结构进行了研究。

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

蕨类植物最早登陆维管植物,至今仍然生态系统初级生产力重要组成部分。

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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优势、真蕨沙科显赫和原始被子植物出现为特征。

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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、苔藓植物和裸子植物配子体中存在由单个细胞形成类似根结构。

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

一种起源于胎座(应为叶表皮译者注)瓣片状组织,覆盖在蕨类植物孢子囊群中正在发育孢子囊上。

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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ohia lehua树和那叫hapuu蕨类植物给丰富得令人惊动植物撑起了一把保护伞。

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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.

摘要同型孢子蕨类孢子体可经由同配子体自交、异配子体交配两类配育系统或以无配生殖方式产生,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。

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Characteristics: 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.

地生,叶柄生,基部黑色;较年轻叶子一回羽状复叶,较老叶子二回或三回羽状复叶。

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暮光之城:暮色

It was unmarked, barely visible among the ferns.

这条路没有任何标记,在一片植物中隐约可见

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包法利夫人(上)

Long ferns by the roadside caught in Emma's stirrup.

路边有长长的羊齿,老是缠住艾玛的脚镫。

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《卫报》(文章版)

Dillenius divided cryptogams into " fungi" and " musci" , excluding ferns and equisetums.

狄勒纽斯将隐花植物分为“真菌”和“藓”,但不包括植物和木贼属植物。

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Crash Course 植物学篇

And the ferns, and the mosses, and the palms and the sedges.

还有植物苔藓,棕榈树和莎草。

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地球全纪录

There are mosses and ferns everywhere, some at least a hundred feet tall.

放眼望去,尽是苔藓和,有至少有30公尺高。

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地球脉动 第二季 (原声版)

These particular ferns, figs and orchids live only on the branches of other trees.

花果和兰科植物只寄生在其他树木的树枝上。

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Scishow 精

So don't count on your poor desk fern to fix all of your indoor air problems.

所以不要指望你桌面那可怜的植物可以净化室内空气问题了。

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CNN 10 学生英语 2018年5/6月合集

Over 160,000 varieties of orchids, ferns and other climbing plants have been planted in the trees.

超过16万种的兰花、植物和其他攀缘植物都已栽在树上。

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吹小号的天鹅

One small tree grew on the island, and there were rocks and ferns and grasses.

岛上有棵小树,还有岩石,蕨草和青草。

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美国小学英语6

How many ferns and lichens will grow on the north walls of a rocky slope!

北面的陡峭斜坡上有很多植物和地衣。

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小妇人(双语原版)

Amy was sketching a group of ferns, and Jo was knitting as she read aloud.

艾米在对着一簇羊齿写生而乔则是一面朗诵一面打绒线。

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自然百科

There was this picture of venus as a kind of primitive, steamy earth complete with giant tree ferns and dinosaurs.

金星上有一种原始、巨树和恐龙,及非常热的地球的感觉。

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Crash Course 植物学篇

Take ferns and bromeliads—the family that includes Spanish moss and pineapple plants.

植物和凤梨科植物为例,凤梨科植物包括西班牙苔藓和菠萝。

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美国小学英语4

A little Elf was hiding in the fern.

一个小精灵藏在植物

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万物简史

Horsetails and tree ferns grew to heights of fifty feet, club mosses to a hundred and thirty.

杉叶藻和桫椤长到l5米的高度,石松长到40米的高度。

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暮光之城:暮色

The way was mostly flat, and he held the damp ferns and webs of moss aside for me.

一路上几乎非常平坦,他为我把潮湿的植物和密布的苔藓拨到一边。

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PBS访谈娱乐

Are these, I don't know that they're ferns. The TV show ended up not going forward.

嘛,我不知道他们是不是植物这档秀最后没能继续播下去。

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美国原版语文第二册

So, day after day, Davy hunted the woods for the prettiest flowers, and the most dainty ferns and mosses.

于是,大卫每天都到森林里去寻找漂亮的花,以及最可口的和苔藓。

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现代大学英语精读(第2版)第三册

Along the roads, laurel, great ferns and wildflowers delighted the traveler's eye through much of the year.

沿途的月桂树、巨大的植物还有野花在一年中大部分时间里都可以让旅人觉得赏心悦目。

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美国小学英语4

If a rabbit does not move, it is very hard to see him among the ferns and leaves.

如果兔子不移动的话,在植物和叶子中很难被发现。

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