fern

[美國]/fɜːn/
[英國]/fɝn/
詞頻: 非常高

中文釋義

n. 羊齒植物, 蕨類植物
Word Forms
複數ferns

例句

She cast a sidelong glance at Fern.

她瞟了一眼弗恩。

Ferns fringed the pool.

池塘周圍長着厥類植物

the ferns began to change shape .

這些蕨類植物開始變形。

Ferns grow in shady and moist places.

羊齒類植物生長在陰暗潮溼的地方。

an unexpanded fern frond

未展開的蕨葉

ferns like a bright position out of direct sunlight.

蕨類植物喜歡生長在沒有陽光直射的明亮的地方。

this fern makes a good house plant.

這種蕨可以成爲很好的室內植物。

fern fronds uncurling in the spring air.

羊齒葉在春風中伸展開來

delicate fern of foothills of Himalayas

喜瑪拉雅山脈山麓的一種優雅的蕨類

she parted the ferns and looked between them.

她撥開那些蕨類植物,朝中間看了看。

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

精子發育過程中的生毛體和多層結構的超微結構進行了研究。

At the same time, it is the key element for chypre, fern and musk rose formulas;

同時,該產品是素心蘭型、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.

蕨類植物是最早登陸的維管植物,至今仍然是生態系統初級生產力的重要組成部分。

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

克孜勒蘇羣孢粉組合以松杉目的優勢、真蕨目海金沙科的顯赫和原始被子植物的出現爲特徵。

A fern (Matteuccia struthiopteris) of northern temperate regions, having long plumelike fronds that form a crown.

莢果蕨:一種在氣候溫和的北部地區生長的蕨(莢果蕨莢果蕨屬),有形成花冠狀的似羽的長葉

tree ferns of temperate Australasia having bipinnatifid or tripinnatifid fronds and usually marginal sori; in some classification systems placed in family Cyatheaceae.

分佈於溫帶澳大拉西亞的樹蕨,葉二回羽狀分裂或三回羽狀分裂,囊羣位於葉的邊緣;在一些分類中歸入桫欏科。

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.

摘要同型孢子蕨類的孢子體可經由同配子體自交、異配子體交配兩類配育系統或以無配生殖的方式產生,異配子體交配又可分爲異配子體自交和異配子體異交兩種方式。

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

就在這片雨林中,高大的ohia <b>lehua</b>樹和那叫hapuu的蕨類植物給豐富得令人驚奇的動植物撐起了一把保護傘。

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.

形態:地生,葉柄叢生,基部黑色;較年輕的葉子一回羽狀複葉,較老的葉子二回或三回羽狀複葉。

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