具一叶的

A poisonous Eurasian evergreen shrub having fragrant white, rose, or purple flowers, whorled leaves, and long follicles containing numerous comose seeds.

欧洲夹竹桃一种有毒的欧亚长青灌木，有白色、玫瑰色或紫色的芳香花朵，轮生体叶和含有许多具毛丛种子的长的小囊

Mm, glabrous; blade reflexed, linear-lanceolate, glabrous. Leaves 3 or 4 per ultimate branch; sheath margins initially ciliate; auricles purple, falcate, small; oral setae erect, gray-brown; ligule arcuate, margins initially ciliate; blade lanceolate,(7–)10–16 × 1–1.7 cm, proximally white-gray pubescent, secondary veins 4-paired, transverse veins obscure, base cuneate, one margin spinescent-serrulate, other margin obscurely so.

每末级的分枝留下3或4；鞘边缘最初具缘毛；叶耳紫色，镰刀形，小；口头的刚毛直立，灰棕色；叶舌弧曲，最初给纤毛虫镶边；叶片披针形，( 7-)10-16 * 1-1.7 厘米，下部白色灰色短柔毛，4配对的次脉，不明显的横向脉，基部楔形，具刺有细锯齿的一边缘，如此的其他边缘不明显。

The long ramshackle machine shed along the west edge of the yards, and the tool shed, small and dark with the smell of grease throughout, houses the machinery, old harnesses, outmoded binder equipment and modern drills an saws.

barnyard，对饲养者牛大牧群高效率地计划和hogs，与二个大谷仓， corncrib 和砖筒仓庄严地上升在它之上，美丽如画被安定在巨型槭树之下和三角叶杨长的摇晃机器棚子沿围场的西部边缘，并且工具棚子，小和黑暗与油膏的气味始终，房子机械，老鞔具、老式黏合剂设备和现代钻子锯在这个没有漆的棚子东边是d 双重车库，被发现巨大的水储存箱，并且在哪些之后被发现一棵巨大的苹果树，富有与开花但缺乏在果子里房子的北部在忍冬属植物树篱之后，果树园舒展对北部，对狂放的葡萄树和莓兴旺盘旋县瓦片在春天是数以万计许多被遮蔽的紫罗兰开花在缠结阴凉地下的垄沟银行。

Tropical American plants with basal rosettes of fibrous sword-shaped leaves and flowers in tall spikes; some cultivated for ornament or for fiber .

美洲的一种热带植物，具很硬直而尖的永存叶，大多数生着莲座状基部，高的总状或穗状的花序；有些被栽种是为了用于装饰或获取纤维。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。