| 单词 | bract |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔bracteate〕Bearing bracts.有苞片的美国传统〔bracteole〕A small bract.小苞片美国传统〔bract〕Poinsettias are popular for their attractive red bracts.一品红因其迷人的红色苞片广受喜爱。剑桥高阶〔calyculus〕Botany A group of small bracts that resembles a calyx.【植物学】 花萼：一组类似于花萼的小花苞美国传统〔chaff〕The dry bracts enclosing mature grains of wheat and some other cereal grasses, removed during threshing.谷壳：包在成熟小麦粒和其他一些作物粒上的干壳，在脱粒时被除去美国传统〔chaff〕The scales or bracts borne on the receptacle among the small, individual flowers of many plants in the composite family.膜片：许多菊科植物单朵小花的花托上长的鳞片或苞叶美国传统〔ebracteate〕Having no bracts.无苞的美国传统〔epicalyx〕A series of bracts subtending and resembling a calyx, as in the carnation and hibiscus.副萼：生于萼下类似于真萼的一组苞片，如石竹和木槿所有的美国传统〔glume〕One of the two chaffy basal bracts of a grass spikelet.颖片：禾草类的小穗状花的两个禾壳状的基部苞片之一美国传统〔involucre〕A series of bracts beneath or around a flower or flower cluster.花被：在一朵花或一束花下面或周围的一系列苞片美国传统〔lemma〕The outer or lower of the two bracts that enclose the flower in a grass spikelet.外稃：在草的小穗状花序中，包围花朵的两瓣苞片中外面或下面的那一片美国传统〔palea〕A small chafflike bract enclosing the flower of a grass.内稃：一种包住花的禾木科小穗上的苞片美国传统〔perfoliate〕Of or relating to a sessile leaf or bract that completely clasps the stem and is apparently pierced by it.抱茎的：属于或关于完全环绕茎部并明显被茎穿过的无柄叶片或苞叶的美国传统〔spathe〕A leaflike bract that encloses or subtends a flower cluster or spadix, as in the jack-in-the-pulpit and the calla.佛焰苞：一种包含或衬托花簇或花序的叶状苞，如天南星和马蹄莲上的佛焰苞美国传统〔spikelet〕A small or secondary spike, characteristic of grasses and sedges, having a varying number of reduced flowers each subtended by one or two scalelike bracts.小穗，小穗状花序：禾草或蓑衣草所特有的一种小的或次级的穗，具有数目不等的由一至二片鳞状苞片衬托的渐少的小花美国传统〔verticillaster〕A cymose inflorescence resembling a whorl but actually arising in the axils of opposite bracts, as in most mints.轮状聚伞花序：类似涡旋状的聚伞花序，但实际上是从相对花苞的枝腋中产生的，如同大部分的薄荷属植物美国传统 |
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