When the dove returned to him in the evening, there in its beak was a freshly plucked olive leaf! Then Noah knew that the water had receded from the earth.
到了晚上，鸽子回到他那里，嘴里叼着一个新拧下来的橄榄叶子，挪亚就知道地上的水退了。
practical artificial leaf that can turn sunlight and water into energy as efficiently as the real thing has long been a Holy Grail of chemistry, and researchers at MIT may have finally done it.
科学家一直在尝试在实验室中重现植物的结构和功能，最高的目标当然是人工树叶能够和真实树叶一样有效地利用阳光和水合成能量。
If a plant requires lots of water all the time, it could favor certain geometrical arrangements of veins, which starts to suggest overall leaf shapes.
如果植物需要不停地吸收水分，这有利于特定叶脉的几何分布，最终塑造树叶形状。
Water surges from the cells on the inside of the leaf to those on the outside, causing the leaf to rapidly flip in shape from convex to concave, like a soft contact lens.
水从叶子内部的细胞涌向外面的细胞，导致叶子迅速地从凸向凹翻转，就像一片柔软的隐形眼镜。
Cut a leaf from an African Violet, Put it in water.
从一棵非洲紫罗兰身上切下一片叶子，把它放在水里。
Leaf total water content was not observed to be closely related with cold resistance.
抗寒力的提高与叶片总水含量关系不密切。
Leaf veins distribute food and water throughout the leaf.
叶脉把养料和水分分配给整张叶子。
Hyaline cells Any leaf cell with no chlorophyll that is normally used for storage of water or solutes.
透明细胞：指不含叶绿体，用于储存水分或溶质的所有叶细胞。
An artificial leaf would use a reaction that forms part of the natural process of photosynthesis to turn sunlight and water into a clean fuel source.
“人造叶”将利用构成光合作用中部分自然过程的反应作用，将阳光和水变成一种清洁燃料的来源。
Using water as extracting solvent, the extraction processing parameters of leaf protein from alfalfa were studied.
以水为提取溶剂，对热絮凝法提取苜蓿中叶蛋白的工艺参数进行优化。
Although the concept of tea is simple—dry leaf infused in hot water—the manufacture of it is not intuitive at all.
尽管茶拿来喝很简单，把干茶叶泡在热水里就行了。 但茶叶的制作方法可不是用猜就行的。
Imagine this like a leaf that lands on the surface of the water and moves with the waves and the currents and cannot be flipped over.
可以将之想象成一片落在水面上的树叶，随波逐流却始终不会翻。
The leaf traits of Cypripedium were the adaptation to the environment rich in water and nutrients but easy to change with seasons.
杓兰的叶片性状是对水肥条件较好，但季节波动较大生境的适应。
Leaf water potential and transpiration velocity of plant is two important physiologic index that reflect water regime of plant.
植物叶水势和蒸腾速率是反映植物水分状况的两个重要生理指标。
The leaf morphological and physiological evolution of Paphiopedilum was related to water and resource-conserving traits in the karst habitat.
兜兰的叶片形态结构和生理功能的进化与适应喀斯特地区匮乏的水肥条件有关。
When soil moisture contents were above 9.5%, there was no apparent change in leaf water potential with a drop in soil moisture contents.
当土壤含水量在9.5％以上时，随土壤含水量的下降叶水势变化不明显。
The analysis of variance shows a significant effect on the interaction of heat stress and growing media on leaf water potential when the treatment is applied only at midday.
分析表明中午期间热应激和栽培基质的相互作用对叶面水势有显著影响。
The above inclusions show that the plant water stress is due to the lack of water, Thereis obvious negative correlation between CWSI and leaf water potential.
这些表明CWSI较好的反映了因土壤供水不足导致的作物水分胁迫，CWSI与叶水势之间呈明显的负相关关系。
You are a green leaf filled with the things of spring; You are a drop of water full of golden glowing .
你是一片绿叶，盈满春天的气息；你是一滴水珠，饱含着金灿灿的光点。
Using morphological characteristics, root-shoot ratio, anatomical structure of leaves, leaf water holding and WSD analyzed the water holding ability of 11 tree species.
从形态特征、根冠比、叶片解剖构造、叶片保水力、水分饱和亏等方面分析了11个树种对干旱的适应性特征。
Water stress can significantly affect root, leaf and chloroplast ultra-structure.
水分胁迫能显著影响柑橘叶片、根系细胞与叶绿体超微结构。
Because of this, everything in her eyes are beautiful incarnation, a weed, a leaf, a cloud, a drop of water... Have vitality, is a language, can be carried with her mind exchange.
因为，世间每一件事物在她眼中都是善良美丽的化身，一株野草，一枚落叶，一朵浮云，一滴水珠……都是有生命力的，都是有语言的，都是可以与她进行心灵交流的。
Based on the polluted status of the Qinhuai River, calamus and narrow leaf bulrush are used to clean the Qinhuai River water.
针对外秦淮河的污染状况，采用挺水植物菖蒲和狭叶香蒲进行试验，对外秦淮河的污染水质进行净化；
Under the same soil drought status, leaf water potential under high nitrogen level was lower than that under low nitrogen level.
在相同干旱胁迫下，低氮处理的叶水势高于高氮处理的叶水势。
Under the same soil drought status, leaf water potential under high nitrogen level was lower than that under low nitrogen level.
在相同干旱胁迫下，低氮处理的叶水势高于高氮处理的叶水势。
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