She cast a sidelong glance at Fern.
她瞟了一眼弗恩。
She cast a sidelong glance at Fern.
她瞟了一眼弗恩。
Ferns fringed the pool.
池塘周围长着厥类植
the ferns began to change shape .
这些蕨类植开始变形。
Ferns grow in shady and moist places.
羊齿类植生长在阴暗潮湿的地方。
an unexpanded fern frond
未展开的蕨叶
ferns like a bright position out of direct sunlight.
蕨类植喜欢生长在没有阳光直射的明亮的地方。
this fern makes a good house plant.
这种蕨可以成为很好的室内植。
fern fronds uncurling in the spring air.
羊齿叶在春风中伸展开来
delicate fern of foothills of Himalayas
喜玛拉雅山脉山麓的一种优雅的蕨类
she parted the ferns and looked between them.
她拨开那些蕨类植,朝中间看了看。
The ultrastructure of the blepharoplast and the multilayered structure (MLS) in the fern Osmunda cinnamomea var.
精子发育过程中的生毛体和多层结构的超微结构进行了研究。
At the same time, it is the key element for chypre, fern and musk rose formulas;
同时,该产品是素心兰型、香薇型及麝香玫瑰型中不可缺少的重要原料;
Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.
蕨类植是最早登陆的维管植,至今仍然是生态系生产力的重要组成部分。
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植的出现为特征。
A fern (Matteuccia struthiopteris) of northern temperate regions, having long plumelike fronds that form a crown.
荚果蕨:一种在气候温和的北部地区生长的蕨(荚果蕨荚果蕨属),有形成花冠状的似羽的长叶
tree ferns of temperate Australasia having bipinnatifid or tripinnatifid fronds and usually marginal sori; in some classification systems placed in family Cyatheaceae.
分布于温带澳大拉西亚的树蕨,叶二回羽状分裂或三回羽状分裂,囊群位于叶的边缘;在一些分类中归入桫椤科。
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.
摘要同型孢子蕨类的孢子体可经由同配子体自交、异配子体交配两类配育系或以无配生殖的方式产生,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。
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的蕨类植给丰富得令人惊奇的动植撑起了一把保护伞。
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.
形态:地生,叶柄丛生,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。
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