upstream

简明释义

英[ˌʌpˈstriːm]美[ˌʌpˈstriːm]

adv. 向（在）上游；逆流地

adj. 向（在）上游的；逆流而上的

英英释义

单词用法

同义词

反义词

例句

1.Now, instead of swimming upstream, we relax, sleep, watch movies, or listen to music.

现在，我们不再逆流而上，而是放松、睡觉、看电影或听音乐。

2.I live upstream and you downstream by Yangtze Blue.

我住长江头，君住长江尾。

3.The explorers paddled their canoe cautiously upstream.

探险者们谨慎地把独木舟向上游划去。

4.The nearest town is about ten miles upstream.

最近的城镇大约在沿河向上十英里处。

5.The falls upstream are full of salmon.

上游瀑布一带盛产鲑鱼。

6.In the summer, bull trout forge 50 miles upstream from Lake Koocanusa to spawn in the Wigwam River drainage in British Columbia.

夏天，鳟鱼从Koocanusa湖逆流而上50英里，到不列颠哥伦比亚威格沃姆河的排水系统产卵。

7.Upstream there are stretches where the Ganges has disappeared completely.

上游有恒河完全消失的延伸处。

8.If something wrong is found upstream, or if we stop building the product, the scrap will be higher due to the in-process inventory.

如果在上游发现了问题，或者如果我们停止生产产品，由于在制品库存，报废率会更高。

9.He has a background in upstream biology, focusing on genetic research.

他有上游生物学的背景，专注于基因研究。

10.In the oil industry, companies often explore upstream opportunities to find new reserves.

在石油行业，公司通常会探索上游机会以寻找新的储备。

11.The factory sources its materials from an upstream supplier to ensure quality.

这家工厂从一个上游供应商那里采购原材料，以确保质量。

12.The river flows upstream towards the mountains where it originates.

这条河流向上游，朝着它的发源地——山脉。

13.The upstream process in software development involves gathering requirements.

软件开发中的上游过程包括收集需求。

作文

In the world of environmental science, the term upstream refers to the area or processes that occur before a certain point in a system. This concept is particularly important when discussing water management and pollution control. For instance, if we consider a river, the upstream areas are those that are located closer to the source of the river. Activities taking place in these regions can significantly impact the quality of water as it flows downstream. Therefore, understanding the dynamics of upstream activities is crucial for effective environmental management.One of the main challenges faced by environmentalists is that pollution does not respect geographical boundaries. For example, if a factory discharges waste into a river in an upstream location, the consequences will be felt by communities living downstream. This highlights the importance of addressing issues at the upstream level rather than merely focusing on remediation efforts downstream. By implementing stricter regulations on industries operating in upstream areas, we can prevent contaminants from entering our waterways in the first place.Moreover, the concept of upstream is not limited to environmental issues alone. In economics, it can refer to the initial stages of production, where raw materials are sourced and processed. Companies that focus on upstream activities often have a significant influence on the overall supply chain. For instance, in the oil industry, upstream operations involve exploration and extraction of crude oil, while downstream activities include refining and distribution. Understanding the upstream aspects of this industry can help stakeholders make informed decisions about investments and resource allocation.In the context of social issues, the upstream approach emphasizes the need to address root causes rather than just symptoms. For example, when tackling public health problems, initiatives that focus upstream might include improving access to education, promoting healthy lifestyles, and addressing socioeconomic disparities. By investing in upstream solutions, we can create lasting change and improve overall community health.To illustrate the importance of upstream thinking, let us consider the issue of climate change. Many policies and actions are focused on mitigating the effects of climate change, which can be seen as a downstream approach. However, addressing the upstream causes, such as reducing greenhouse gas emissions and transitioning to renewable energy sources, is essential for creating a sustainable future. By shifting our focus upstream, we can develop more effective strategies to combat climate change and protect our planet for future generations.In conclusion, the term upstream encompasses a wide range of concepts across various fields, including environmental science, economics, and social issues. Whether we are discussing pollution control, production processes, or public health initiatives, understanding the upstream factors is vital for creating effective solutions. By prioritizing upstream approaches, we can work towards a healthier environment, a more efficient economy, and a more equitable society.

在环境科学领域，术语upstream指的是在系统中某一点之前发生的区域或过程。这个概念在讨论水管理和污染控制时尤其重要。例如，如果我们考虑一条河流，upstream区域是指靠近河流源头的地方。这些地区发生的活动会显著影响水流向下游的质量。因此，理解upstream活动的动态对于有效的环境管理至关重要。环境保护者面临的主要挑战之一是污染不受地理边界的限制。例如，如果一家工厂在upstream位置向河流排放废物，那么居住在下游的社区将感受到后果。这突显了在upstream层面解决问题的重要性，而不仅仅是关注下游的修复工作。通过对在upstream地区运营的行业实施更严格的法规，我们可以防止污染物首先进入我们的水道。此外，upstream的概念并不限于环境问题。在经济学中，它可以指生产的初始阶段，即原材料的采购和加工。专注于upstream活动的公司通常对整个供应链有重大影响。例如，在石油行业，upstream操作涉及原油的勘探和开采，而下游活动包括精炼和分配。了解该行业的upstream方面可以帮助利益相关者做出关于投资和资源配置的明智决策。在社会问题的背景下，upstream方法强调需要解决根本原因，而不仅仅是症状。例如，在应对公共健康问题时，关注upstream的举措可能包括改善教育机会、促进健康生活方式以及解决社会经济差距。通过投资于upstream解决方案，我们可以创造持久的变化并改善整体社区健康。为了说明upstream思维的重要性，让我们考虑气候变化问题。许多政策和行动集中在减缓气候变化的影响，这可以被视为一种下游方法。然而，解决upstream原因，例如减少温室气体排放和转向可再生能源，是创造可持续未来的关键。通过将我们的重点转向upstream，我们可以制定更有效的战略来应对气候变化，并保护我们的星球以供后代使用。总之，术语upstream涵盖了各个领域的广泛概念，包括环境科学、经济学和社会问题。无论我们是在讨论污染控制、生产过程还是公共健康倡议，理解upstream因素对于创造有效的解决方案至关重要。通过优先考虑upstream方法，我们可以朝着更健康的环境、更高效的经济和更公平的社会努力。