conifers

简明释义

英[ˈkɒnɪfəz]美[ˈkɑnɪfərz]

n. 松柏类，针叶树；球果植物（conifer 复数）

英英释义

单词用法

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反义词

例句

1.They were followed by the emergence of fish, reptiles, mammals, ferns, conifers and flowering plants.

在这之后出现了鱼类，爬行类，哺乳动物，蕨类，针叶树和开花的植物。

2.Damage from salt spray affects many other conifers.

许多其他针叶树因药剂喷洒的的影响而受害。

3.It is known as a museum of plants, featuring a huge assortment of palms, fruits, conifers and flowers of all shapes and sizes.

它被称为植物博物馆，向人们展出各种各样不同品种的棕榈树、水果、针叶树以及各种形状的花朵。

4.Furthermore, the conifers, which are among the tallest trees, have unusually low root pressures.

况且，最高树木中的松柏只有很低的根压。

5.Insects and even small invertebrates have been found preserved in the hardened resins of conifers and certain other trees.

人们在针叶树和某些其它树木的硬化树脂中发现了昆虫，甚至发现了小型无脊椎动物。

6.Before the mid-Cretaceous, 100 million years ago or so, flowering plants were scarce: conifers and their relations ruled the landscape.

白垩纪中期之前，也就是说大约1亿年前，开花植物很少见：裸子植物占据着地球的景观。

7.An area planted with pine trees or related conifers, especially for botanical study.

松园，松柏园长有松树或针叶树的地方，尤指用于园林研究。

8.The xylem of ferns and conifers contains only tracheids.

蕨类植物和针叶树的木质部仅含有管胞。

9.In the fall, the cones of conifers release seeds that can grow into new trees.

在秋天，针叶树的松果释放出种子，这些种子可以长成新树。

10.Some birds prefer nesting in conifers because they provide excellent cover.

一些鸟类更喜欢在针叶树中筑巢，因为它们提供了极好的隐蔽处。

11.Many conifers can thrive in cold climates, making them popular for landscaping in northern regions.

许多针叶树能够在寒冷气候中生存，因此在北方地区的园艺中非常受欢迎。

12.The forest is primarily made up of conifers, which are known for their needle-like leaves.

这片森林主要由针叶树组成，它们以针状叶子而闻名。

13.During winter, the green color of conifers adds beauty to snowy landscapes.

冬天，针叶树的绿色为雪景增添了美感。

作文

In the vast world of botany, few groups of plants are as fascinating and versatile as conifers. These remarkable trees and shrubs belong to the division Pinophyta and are known for their needle-like leaves and cones, which serve as their reproductive structures. The adaptability of conifers allows them to thrive in a variety of environments, from the cold, snowy mountains to the warm, temperate regions. This essay will explore the characteristics, ecological significance, and human uses of conifers, highlighting why they are essential components of our planet's biodiversity.One of the most distinctive features of conifers is their unique leaf structure. Unlike broadleaf trees that shed their leaves annually, conifers possess evergreen foliage, meaning they retain their leaves throughout the year. This adaptation not only helps them conserve water but also allows them to photosynthesize during winter months when other plants are dormant. The needle-like leaves are often coated with a waxy substance that reduces moisture loss, making conifers exceptionally well-suited for dry and cold climates. Ecologically, conifers play a crucial role in maintaining the health of forest ecosystems. They provide habitat and food for various wildlife species, including birds, mammals, and insects. Many animals rely on conifers for shelter, while others feed on their seeds, which are rich in nutrients. For example, squirrels and birds such as crossbills depend heavily on the seeds produced by conifers like pines and spruces. Furthermore, the dense canopy created by conifers helps regulate temperature and humidity levels in forests, creating a suitable microclimate for understory plants and animals.In addition to their ecological importance, conifers have significant economic value. They are a primary source of timber and wood products, which are used in construction, furniture making, and paper production. Species such as Douglas fir and redwood are highly sought after for their strength and durability. Additionally, conifers contribute to the production of resins and essential oils, which are utilized in various industries, including cosmetics and pharmaceuticals. The cultivation of conifers for timber and other products has led to the establishment of sustainable forestry practices aimed at preserving these vital resources for future generations.Moreover, conifers are often used in landscaping and horticulture due to their aesthetic appeal and low maintenance requirements. Many gardens feature conifers as ornamental plants, providing year-round greenery and texture. Varieties such as junipers and cedars come in various shapes and sizes, making them versatile choices for different garden designs. Their ability to withstand harsh weather conditions also makes them popular choices for urban environments where pollution and space constraints can pose challenges for other plant species.In conclusion, conifers are an integral part of our natural world, offering numerous ecological, economic, and aesthetic benefits. Their unique adaptations allow them to thrive in diverse habitats, supporting a wide range of wildlife and contributing to the health of forest ecosystems. As we continue to understand the importance of biodiversity, it is crucial to recognize and protect conifers and their habitats. By doing so, we ensure that future generations can enjoy the beauty and benefits that these remarkable plants provide. Whether through conservation efforts or sustainable forestry practices, our relationship with conifers must be one of respect and stewardship, recognizing their vital role in the balance of nature.

在植物学的广阔世界中，针叶树这一植物群体既迷人又多才多艺。这些卓越的树木和灌木属于Pinophyta门，以其针状叶子和球果而闻名，这些结构作为它们的繁殖结构。针叶树的适应能力使它们能够在各种环境中生存，从寒冷的雪山到温暖的温带地区。本文将探讨针叶树的特征、生态重要性以及人类用途，强调它们为何是我们星球生物多样性的重要组成部分。针叶树最显著的特征之一是其独特的叶子结构。与每年落叶的阔叶树不同，针叶树具有常绿的叶子，意味着它们全年保留叶子。这种适应不仅有助于它们节约水分，还使它们能够在其他植物休眠的冬季进行光合作用。针状叶子通常涂有一层蜡质物质，可以减少水分流失，使针叶树非常适合干燥和寒冷的气候。在生态上，针叶树在维持森林生态系统的健康方面发挥着至关重要的作用。它们为各种野生动物物种提供栖息地和食物，包括鸟类、哺乳动物和昆虫。许多动物依赖针叶树提供庇护，而其他动物则以其种子为食，这些种子富含营养。例如，松鼠和如交嘴鸟等鸟类在很大程度上依赖于像松树和云杉这样的针叶树所产生的种子。此外，针叶树形成的密集树冠有助于调节森林中的温度和湿度水平，为下层植物和动物创造了适宜的微气候。除了生态重要性外，针叶树还有显著的经济价值。它们是木材和木制品的主要来源，这些产品用于建筑、家具制造和纸张生产。道格拉斯冷杉和红木等物种因其强度和耐用性而备受追捧。此外，针叶树还为树脂和精油的生产做出了贡献，这些树脂和精油被用于包括化妆品和制药在内的各个行业。对针叶树的木材和其他产品的培育导致了可持续林业实践的建立，旨在保护这些重要资源以供后代使用。此外，由于其美学吸引力和低维护需求，针叶树通常用于园艺和景观设计。许多花园都将针叶树作为观赏植物，提供全年绿色和纹理。像杜松和雪松这样的品种有各种形状和大小，使它们成为不同花园设计的多功能选择。它们抵御恶劣天气条件的能力也使它们在城市环境中受到欢迎，因为污染和空间限制可能对其他植物物种构成挑战。总之，针叶树是我们自然世界不可或缺的一部分，提供了众多生态、经济和美学利益。它们独特的适应性使它们能够在多样化的栖息地中生存，支持广泛的野生动物，并促进森林生态系统的健康。随着我们对生物多样性重要性的理解不断加深，认识和保护针叶树及其栖息地至关重要。通过这样做，我们确保未来几代人能够享受这些非凡植物所提供的美丽和益处。无论是通过保护工作还是可持续林业实践，我们与针叶树的关系都必须是尊重和管理的关系，认识到它们在自然平衡中的重要作用。