leaf
简明释义
n. 叶，叶子；纸页，书页；薄金属片，（尤指金或银）箔；活动桌板；（窗，门等）扇；空心墙（或双层窗）的内面（或外面）
v. 长新叶
【名】 （Leaf）（英）利夫（人名）
复 数 l e a v e s 或 l e a f s
第 三 人 称 单 数 l e a f s
现 在 分 词 l e a f i n g
过 去 式 l e a f e d
过 去 分 词 l e a f e d
英英释义
单词用法
叶片 | |
有叶子的；叶茂的；长满叶子的 |
同义词
| 叶子，植物的叶子 | 这棵树的叶子在夏天提供阴凉。 | ||
| 叶片，通常指草或某些植物的叶子 | 草叶又尖又绿。 | ||
| 花瓣，虽然不是严格的同义词，但在某些上下文中可指代植物的部分 | 花瓣色彩鲜艳。 |
反义词
| 根 | The roots of the plant absorb water and nutrients from the soil. | 植物的根从土壤中吸收水分和养分。 | |
| 茎 | 茎支撑着植物的叶子和花朵。 |
例句
1.In the same drawing, she incorrectly lumped together army and leaf-cutter ants.
在同一幅画中，她错误地把军队和切叶蚁归为一类了。
2.The trees are just coming into leaf.
树木正好在长叶子。
3.The maple leaf stands for Canada.
枫叶代表加拿大。
它躲在一片大叶子下面。
5.The trees are coming into leaf.
树开始长叶子了。
6.Leaf-shoots were beginning to sprout on the hawthorn.
叶芽开始在山楂树上长出来。
7.At rest the insect looks like a dead leaf.
这种昆虫不动时看上去像一片枯叶。
这是一片叶子。
9.Before long, she took a lotus leaf back and spread it on the table.
不久，她拿了一片荷叶回来，铺在桌上。
10.The plant's leaf is a vibrant green color.
这株植物的叶子是鲜艳的绿色。
11.He used a leaf as a bookmark in his book.
他用一片叶子做书签。
12.She picked a leaf from the ground to examine its shape.
她从地上捡起一片叶子来检查它的形状。
13.The leaf fell gently to the ground.
那片叶子轻轻地落到了地上。
14.The leaf of the tree turned yellow in autumn.
树的叶子在秋天变成了黄色。
作文
The beauty of nature is often encapsulated in the simple yet profound elements around us. One such element is the leaf, which plays a crucial role in the ecosystem and symbolizes growth and renewal. In spring, when the world awakens from its winter slumber, new leaves emerge, painting the landscape in vibrant shades of green. Each leaf is not just a part of a plant; it is a testament to life, a reminder of the resilience and vitality of nature.A leaf is primarily responsible for photosynthesis, the process by which plants convert sunlight into energy. This remarkable ability allows plants to thrive and produce oxygen, which is essential for all living beings. Without leaves, our planet would be devoid of life as we know it. The intricate structure of a leaf, with its veins and chlorophyll, showcases nature's engineering prowess. The green pigment, chlorophyll, is what gives leaves their color and enables them to absorb sunlight efficiently.As summer arrives, leaves reach their peak, providing shade and shelter for various creatures. Birds build nests among the branches, while insects find refuge on the underside of leaves. The rustling sound of leaves in the wind creates a soothing melody that enhances our connection to the natural world. Walking through a forest, one can’t help but admire the diversity of leaves—some are broad and flat, while others are narrow and elongated. This variety is a reflection of the adaptations plants have made to survive in different environments.As autumn approaches, leaves begin to change color, transforming the landscape into a breathtaking tapestry of reds, oranges, and yellows. This seasonal change signifies the end of one cycle and the beginning of another. The falling leaves blanket the ground, creating a crunching sound underfoot and enriching the soil as they decompose. This process is vital for nutrient cycling, demonstrating how even in death, leaves contribute to the health of the ecosystem.Winter brings a stark contrast, as many trees shed their leaves to conserve energy during the cold months. The bare branches may seem lifeless, but beneath the surface, life continues. The leaf buds are already forming, ready to burst forth when the warmth of spring returns. This cycle of growth, decay, and renewal is a powerful reminder of the interconnectedness of life.In literature and art, the leaf is often used as a symbol of change, hope, and the passage of time. Poets have penned verses about the fleeting beauty of a leaf drifting to the ground, while artists have captured the intricate details of leaves in their works. The leaf serves as a metaphor for our own lives—ever-changing, beautiful, and ultimately transient.In conclusion, the humble leaf holds significant meaning beyond its biological function. It represents the cycles of life, the beauty of nature, and our connection to the environment. By observing and appreciating leaves, we can foster a deeper understanding of the world around us and our place within it. Whether it’s the fresh green leaves of spring, the colorful display of autumn, or the stark beauty of winter, each leaf tells a story worth exploring.
大自然的美常常体现在我们周围简单而深刻的元素中。其中一个元素就是叶子，它在生态系统中扮演着至关重要的角色，并象征着生长和更新。在春天，当世界从冬天的沉睡中苏醒时，新叶子冒出，给风景涂上生机勃勃的绿色。每一片叶子不仅仅是植物的一部分；它是生命的见证，是大自然韧性和活力的提醒。叶子主要负责光合作用，这是植物将阳光转化为能量的过程。这种非凡的能力使植物得以繁茂生长并产生氧气，而氧气对所有生物都是必不可少的。如果没有叶子，我们的星球将会失去我们所知的生命。叶子复杂的结构，带有脉络和叶绿素，展示了大自然的工程才能。绿色的色素——叶绿素，就是赋予叶子颜色并使其有效吸收阳光的原因。随着夏天的到来，叶子达到了顶峰，为各种生物提供阴凉和庇护。鸟儿在树枝间筑巢，而昆虫则在叶子的背面找到避难所。风中叶子的沙沙声创造出一种舒缓的旋律，增强了我们与自然世界的联系。走在森林中，人们不禁惊叹于叶子的多样性——有些宽大而平坦，有些狭长而细长。这种多样性反映了植物为了在不同环境中生存而做出的适应。当秋天来临时，叶子开始变色，将风景转变为令人叹为观止的红色、橙色和黄色挂毯。这一季节变化标志着一个周期的结束和另一个周期的开始。落下的叶子覆盖地面，脚下发出嘎吱声，并在分解时丰富土壤。这个过程对于养分循环至关重要，展示了即使在死亡中，叶子也为生态系统的健康做出了贡献。冬天带来了鲜明的对比，许多树木脱落叶子以保存能量度过寒冷的月份。光秃的树枝看似死气沉沉，但在表面之下，生命依然继续。叶子芽已经形成，准备在春天的温暖回归时绽放。这种生长、衰退和重生的循环是生命相互联系的强有力提醒。在文学和艺术中，叶子常常被用作变化、希望和时间流逝的象征。诗人们写下关于一片漂浮到地面的叶子短暂美丽的诗句，而艺术家们则在作品中捕捉到叶子的精致细节。叶子作为我们自身生命的隐喻——不断变化，美丽，最终是短暂的。总之，谦逊的叶子具有超越其生物功能的重要意义。它代表着生命的循环、大自然的美以及我们与环境的联系。通过观察和欣赏叶子，我们可以加深对周围世界及我们在其中位置的理解。无论是春天的新绿叶子，秋天的色彩展示，还是冬天的苍白之美，每一片叶子都讲述着一个值得探索的故事。
