weed

简明释义

英[wiːd]美[wiːd]

n. 野草，杂草；<非正式>香烟，烟草（the weed）；水草，水生植物；大麻；<非正式>瘦弱的人，懦弱的人；<非正式>（长腿）瘦弱的马

v. 除草，为……除杂草

【名】 （Weed）（美、英、加、印、澳）威德（人名）

复 数 w e e d s

第 三 人 称 单 数 w e e d s

现 在 分 词 w e e d i n g

过 去 式 w e e d e d

过 去 分 词 w e e d e d

英英释义

单词用法

同义词

反义词

例句

1.Eurasian watermilfoil, a weed not native to Frida Lake, has reproduced prolifically since being accidentally introduced there.

欧亚水草是一种不属于弗里达湖的杂草，自从被意外引进后，就大量繁殖。

2.The process of making organically rich compost produces heat. This heat kills many, though not all, weed seeds.

制造有机堆肥的过程会产生热量。高温杀死了很多杂草种子，虽然不是全部。

3.The most weed species were Gramineae, Cyperaceae, Compositae, Scrophulariaceae, Alismataceae and Lythraceae.

杂草种类较多的科依次为禾本科、莎草科、菊科、玄参科、泽泻科、千屈菜科等。

4.He dragged out another weed and scowled at it.

他又拔出了一根草，对它板着脸。

5.The government must weed out criminal elements from within the security forces.

政府必须剔除保安队伍内部的犯罪分子。

6.About 30,000 hectares of rice fields in Kerala are infested by this weed.

喀拉拉邦大约3万公顷的稻田大量滋生这种杂草。

7.Ben Weatherstaff rooted up a weed and threw it aside before he answered.

本·威瑟斯塔夫拔了一根杂草，扔到一边，然后才回答。

8.My favourite, by far, is the pretty wild cornfield weed, and Viola tricolor.

到目前为止，我最喜欢的，是玉米地里诱人的野草和三色堇。

9.Some types of weeds 杂草 can be beneficial for the soil.

某些类型的杂草对土壤是有益的。

10.She used a special tool to remove stubborn weeds 杂草 from her lawn.

她用一种特殊工具去除草坪上的顽固杂草。

11.I need to pull out the weed 杂草 in my garden before it takes over.

我需要在我的花园里拔掉这些杂草，否则它们会蔓延开来。

12.He spent the afternoon weeding 除草 the flower beds.

他花了一个下午除草花坛。

13.The weed 杂草 problem is getting worse every year.

每年杂草问题都在加重。

作文

In the world of gardening and agriculture, the term weed (杂草) often evokes mixed feelings among enthusiasts and professionals alike. While some may view weeds as mere nuisances that threaten the beauty and productivity of cultivated plants, others recognize their resilience and adaptability as fascinating traits worthy of study. Understanding the role of weeds in ecosystems can provide valuable insights into biodiversity, soil health, and sustainable farming practices.Firstly, it is essential to define what a weed (杂草) actually is. Generally speaking, a weed is any plant that grows where it is not wanted. This definition can vary significantly depending on the context; for example, a dandelion may be considered a weed (杂草) in a manicured lawn but appreciated for its nutritional value in a wild salad. This subjective nature of weeds highlights the importance of perspective in gardening and agricultural practices.From an ecological standpoint, weeds (杂草) play a critical role in maintaining soil health and preventing erosion. Their extensive root systems can stabilize the soil, reducing the risk of landslides and promoting water retention. Additionally, many weeds (杂草) are pioneer species, meaning they are among the first to colonize disturbed soils. By doing so, they prepare the ground for more delicate plants by improving soil structure and fertility through their organic matter.Moreover, weeds (杂草) can serve as indicators of soil health. Certain types of weeds (杂草) thrive in nutrient-poor conditions, while others may indicate the presence of specific nutrients or soil pH levels. Gardeners and farmers who learn to recognize these indicators can better manage their soil and optimize growing conditions for their desired crops.However, the challenge with weeds (杂草) arises when they compete with cultivated plants for resources such as sunlight, water, and nutrients. This competition can lead to reduced yields in agricultural settings, prompting farmers to invest significant time and resources into weed (杂草) management strategies. These strategies may include mechanical removal, mulching, or the application of herbicides, each with its own set of environmental implications.In recent years, there has been a growing movement towards organic farming and sustainable gardening practices that minimize reliance on chemical herbicides. This shift has encouraged a more holistic approach to weed (杂草) management, focusing on prevention rather than eradication. Techniques such as crop rotation, intercropping, and companion planting can naturally suppress weeds (杂草) and promote a healthier ecosystem.Furthermore, some gardeners have begun to embrace the concept of 'edible weeds' (杂草), recognizing the culinary potential of certain weeds (杂草) that are often overlooked. Plants like purslane, chickweed, and lamb's quarters are not only nutritious but also add unique flavors and textures to dishes. By incorporating these weeds (杂草) into their diets, individuals can reduce waste and celebrate the diversity of their local flora.In conclusion, the perception of weeds (杂草) as mere pests is gradually evolving. By understanding their ecological roles, benefits, and potential uses, gardeners and farmers can adopt more sustainable practices that honor the complexity of nature. Embracing weeds (杂草) as part of the garden ecosystem can lead to healthier plants, richer soils, and a deeper appreciation for the intricate web of life that exists in our backyards and fields.

在园艺和农业的世界里，术语weed（杂草）常常引发爱好者和专业人士的复杂情感。虽然有些人可能将weeds视为威胁到栽培植物美丽和生产力的麻烦，但其他人则认识到它们的韧性和适应能力是值得研究的迷人特征。理解weeds在生态系统中的作用可以提供有关生物多样性、土壤健康和可持续农业实践的宝贵见解。首先，明确一下什么是weed（杂草）是至关重要的。一般来说，weed是指任何在不想要的地方生长的植物。这个定义在不同背景下可能会有很大差异；例如，蒲公英在修剪整齐的草坪中可能被视为weed（杂草），但在野生沙拉中因其营养价值而受到欣赏。这种weeds的主观性质突显了在园艺和农业实践中视角的重要性。从生态学的角度来看，weeds（杂草）在维持土壤健康和防止侵蚀方面发挥着关键作用。它们广泛的根系可以稳定土壤，减少滑坡的风险，并促进水分保持。此外，许多weeds（杂草）是先锋物种，意味着它们是最早在受扰动的土壤中定居的植物。通过这样做，它们通过有机物改善土壤结构和肥力，为更娇嫩的植物准备地面。此外，weeds（杂草）可以作为土壤健康的指示物。某些类型的weeds（杂草）在营养贫乏的条件下繁茂，而其他类型则可能表明特定营养素或土壤pH值的存在。学习识别这些指示物的园丁和农民可以更好地管理他们的土壤，并优化所需作物的生长条件。然而，weeds（杂草）的挑战在于它们与栽培植物争夺阳光、水分和养分等资源。这种竞争可能导致农业环境中的产量降低，促使农民在weed（杂草）管理策略上投入大量时间和资源。这些策略可能包括机械清除、覆盖或施用除草剂，每种方法都有其自身的环境影响。近年来，随着对有机农业和可持续园艺实践的日益关注，减少对化学除草剂依赖的趋势正在增长。这一转变鼓励了一种更全面的weed（杂草）管理方法，专注于预防而非根除。轮作、间作和伴生种植等技术可以自然抑制weeds（杂草），并促进更健康的生态系统。此外，一些园丁开始接受“可食用weeds”（杂草）的概念，认识到某些常被忽视的weeds（杂草）的烹饪潜力。像马齿苋、雀麦和羊角豆这样的植物不仅营养丰富，还能为菜肴增添独特的风味和质地。通过将这些weeds（杂草）融入饮食，个人可以减少浪费，并庆祝当地植物的多样性。总之，weeds（杂草）作为单纯害虫的看法正在逐渐演变。通过理解它们的生态角色、益处和潜在用途，园丁和农民可以采用更可持续的实践，尊重自然的复杂性。拥抱weeds（杂草）作为花园生态系统的一部分，可以导致更健康的植物、更丰富的土壤，以及对我们后院和田野中存在的生命错综复杂网络的更深刻欣赏。