rayless

英式音标：['reɪlɪs]

美式音标：['reɪlɪs]

词义：

adj.

不光明的，昏暗的；

英英释义

rayless[ 'reilis ]

adj.having no parts resembling rays; not having ray flowers

用法：

权威例句

Rayless visor

Rayless Secondary Xylem of Halophytum

The structure of rayless graphs

Every rayless graph has an unfriendly partition

Rayless Secondary Xylem of Trianthema monogyna (Aizoaceae)

Toxic Constituents of Rayless Goldenrod

Stem anatomy of Amaranthaceae: rayless nature of xylem.

Antifeedants from Rayless Goldenrod and Oil of Pennyroyal: Toxic Effects for the Fall Armyworm

Outcrossing rates and allozyme variation in rayed and rayless morphs of Bidens pilosa

Quantitative method for the measurement of three benzofuran ketones in rayless goldenrod (Isocoma pluriflora) and white snakeroot (A...

同义词：lowering,dingy

同根词：ray

造句：

1. Lily: There are three key element: suitable beddings, 25℃of room temperature and 50%to 60%humidity, rayless light.

有三要素：合适的寝具、25℃的室温和50％至60％的湿度及昏暗的光线。

www.rr365.com

2. Lily: There are three key element: suitable beddings, 25℃of room temperature and 50%to 60%humidity, rayless light.

有三要素：合适的寝具、25℃的室温和50％至60％的湿度及昏暗的光线。

www.rr365.com

3. genus of Mediterranean subshrubs with rayless flower heads.

地中海一个亚灌木属，花冠颜色昏暗。

-- 来源 -- 汉英 - 翻译参考

4. densely hairy plant with rayless flowers; San Francisco Bay area.

长有暗色花的多毛植物；圣弗兰西斯科湾地区。

-- 来源 -- 汉英 - 翻译参考

5. A rayless flower.

无边花，无盘状花

-- 来源 -- 英汉 - 短句参考

6. Poisoning of domestic animals, especially cattle and sheep, caused by eating white snakeroot or rayless goldenrod and characterized by muscular tremors and weakening.

乳毒症家畜中毒，尤指牛和羊，由食用白色蛇根草或无边花的黄花引起，表现为肌肉颤抖和虚弱等症状

-- 来源 -- 英汉 - 短句参考

7. plant with erect leafy stems bearing clusters of rayless yellow flower heads on bent individual stalks; moist regions of southwestern United States.

有直立、多叶的茎和簇生的、无边花的、黄色头状花序；生在美国西南部潮湿的地区。

-- 来源 -- 汉英 - 翻译参考

8. small Eurasian herb having broad leaves and lilac-pink rayless flowers; found in moist areas.

欧亚小形草本植物，有宽叶子和暗粉紫色花；常生长在潮湿地区。

-- 来源 -- 汉英 - 翻译参考

9. annual aromatic weed of Pacific coastal areas (United States; northeastern Asia) having bristle-pointed leaves and rayless yellow flowers.

太平洋沿岸地区（美国、亚洲东北部）年生芳香草本植物，叶子上有硬毛，开暗黄色的花。

-- 来源 -- 汉英 - 翻译参考