sapwood

简明释义

英[ˈsæpwʊd]美[ˈsæpwʊd]

n. [木] 边材；白木质

英英释义

单词用法

同义词

反义词

例句

1.It is important to note, color in this explanation refers to sapwood and heartwood.

重要的一点说明是，这里的颜色是指边材和心材的颜色。

2.Ring width and sapwood width of diseased poplar decreased significantly than that of healthy poplar, but sapwood portion was same.

受害材的边材宽度和年轮宽度均小于健康材，边材率无显著差异。

3.The sapwood had all rotted away and after man handling the log into position and charring it to blacken it we simply cast it into the polished concrete floor to support the house above.

边材都腐烂了，我们把原木搬到正确位置再把它碳化成黑色，最后把它放置在光滑的混凝土地面上用来支撑房子上部结构。

4.The sapwood had all rotted away and after man handling the log into position and charring it to blacken it we simply cast it into the polished concrete floor to support the house above.

边材都腐烂了，我们把原木搬到正确位置再把它碳化成黑色，最后把它放置在光滑的混凝土地面上用来支撑房子上部结构。

5.PROPERTIES:Heartwood growing very slowly, so logs of large diameter used only. wood:Clear difference between pale sapwood and black brown heartwood.

木材生长非常缓慢﹐因此此种所利用的原木通常只用大径木。<色调>淡色边材与深色心材区别相当明显。

6.One or more layers of living and functional sapwood cells are periodically converted to heartwood.

每个生长周期都有一或多层活的边材细胞转变成心材。

7.Heart sapwood distinction was not obvious, chestnut brown.

心边材区别不明显，材色栗褐色。

8.The outer layer of the tree, known as sapwood, is responsible for transporting water and nutrients.

树的外层，称为边材，负责运输水分和养分。

9.In the process of aging, the sapwood turns into heartwood, which is denser and more durable.

在老化过程中，边材会转变为心材，后者更密实且更耐用。

10.The sapwood of certain trees can be used to create beautiful furniture.

某些树木的边材可以用来制作美丽的家具。

11.Carpenters often prefer using sapwood for its lighter color in decorative projects.

木匠在装饰项目中通常更喜欢使用边材，因为它颜色较浅。

12.When examining a tree stump, you can easily identify the sapwood as the lighter colored ring.

在检查树桩时，你可以很容易地识别出边材，因为它是颜色较浅的环。

作文

In the world of botany and forestry, understanding the structure of trees is essential for both ecological studies and practical applications. One of the most important components of a tree is its wood, which can be divided into two primary types: heartwood and 边材. The 边材 is the outer layer of wood that is found just beneath the bark, and it plays a crucial role in the life of the tree. Unlike heartwood, which is composed of older, dead cells that no longer transport water and nutrients, the 边材 is made up of living cells that are actively involved in the transportation of water and minerals from the roots to the leaves.The 边材 is not only vital for the tree’s survival but also contributes significantly to its growth. It is through this layer that the tree can maintain its health and vigor, as it facilitates the movement of essential nutrients. As new layers of 边材 are produced, older layers gradually transition into heartwood, which provides structural support but loses its functionality in nutrient transport.From a practical perspective, the properties of 边材 make it an important consideration in various industries, particularly in woodworking and construction. The 边材 is typically lighter and less dense than heartwood, making it easier to work with for carpenters and builders. However, it is also more susceptible to decay and insect damage due to its higher moisture content. This means that while 边材 can be used for certain applications, it often requires treatment or protection to ensure longevity.Moreover, the aesthetic qualities of 边材 can vary significantly between different species of trees. For instance, in species like oak and pine, the 边材 is often lighter in color and has a distinct appearance that can enhance the visual appeal of finished products. Many woodworkers appreciate the unique characteristics of 边材, incorporating it into furniture and decorative items to showcase its natural beauty.In addition to its practical uses, the 边材 also holds ecological importance. It provides habitat and food for various organisms, including insects and birds. As trees age and their 边材 transitions into heartwood, the decaying process of old wood contributes to the nutrient cycle within forest ecosystems. Fallen trees, with their decaying 边材, enrich the soil and support new plant growth, demonstrating the interconnectedness of life within a forest.In conclusion, the study of 边材 offers valuable insights into both the biological functions of trees and the practical applications of wood. Whether one is involved in forestry, woodworking, or ecological research, understanding the significance of 边材 is essential. It is not merely a component of a tree; it is a dynamic part of the ecosystem that supports life, contributes to human endeavors, and showcases the beauty of nature. As we continue to explore and appreciate the natural world, the role of 边材 reminds us of the intricate connections that bind all living things together.

在植物学和林业的世界中，理解树木的结构对生态研究和实际应用至关重要。树木最重要的组成部分之一是木材，可以分为两种主要类型：心材和边材。边材是位于树皮下方的外层木材， 在树木的生命中发挥着关键作用。与心材不同，心材由不再运输水分和养分的老细胞组成，而边材则由活细胞组成，这些细胞积极参与将水分和矿物质从根部运输到叶子。边材不仅对树木的生存至关重要，而且对其生长也有显著贡献。正是通过这一层，树木才能维持健康和活力，因为它促进了必需营养素的移动。随着新层边材的产生，旧层逐渐转变为心材，心材提供结构支持，但失去了营养运输的功能。从实际角度来看，边材的特性使其在各个行业中成为一个重要的考虑因素，特别是在木工和建筑领域。边材通常比心材轻且密度低，使木匠和建筑商更容易使用。然而，由于其较高的水分含量，它也更容易腐烂和遭受昆虫侵害。这意味着虽然边材可以用于某些应用，但通常需要处理或保护以确保其耐久性。此外，不同树种的边材的美学特性可能会有显著差异。例如，在橡木和松木等物种中，边材通常颜色较浅，具有独特的外观，可以增强成品的视觉吸引力。许多木工师傅欣赏边材的独特特性，将其融入家具和装饰品中，以展示其自然之美。除了实际用途，边材还具有生态重要性。它为各种生物，包括昆虫和鸟类，提供栖息地和食物。随着树木的老化及其边材向心材的转变，老木材的腐烂过程为森林生态系统中的营养循环做出了贡献。倒下的树木，其腐烂的边材，丰富了土壤并支持新的植物生长，展示了森林中生命的相互联系。总之，研究边材为我们提供了关于树木生物功能和木材实际应用的宝贵见解。无论一个人是从事林业、木工还是生态研究，理解边材的重要性都是必不可少的。它不仅仅是树木的一个组成部分；它是一个动态的生态系统的一部分，支持生命，促进人类事业，并展示自然之美。随着我们继续探索和欣赏自然界，边材的角色提醒我们所有生物之间紧密联系的复杂关系。