bottom time

简明释义

潜留时间;

英英释义

例句

1.The instructor reminded us that exceeding our bottom time could lead to decompression sickness.

教练提醒我们，超过我们的底部时间可能会导致减压病。

2.During our dive, we monitored our bottom time to ensure we stayed within safe limits.

在我们的潜水过程中，我们监测了我们的底部时间以确保我们保持在安全范围内。

3.To maximize our exploration, we decided to limit our bottom time to 30 minutes.

为了最大化我们的探索，我们决定将我们的底部时间限制在30分钟。

4.After reaching the reef, we realized our bottom time was running short due to unexpected currents.

到达珊瑚礁后，我们意识到由于意外的洋流，我们的底部时间正在缩短。

5.We planned our dive carefully, taking into account the bottom time for each depth level.

我们仔细计划了潜水，考虑到每个深度级别的底部时间。

作文

The term bottom time refers to the amount of time a diver can spend at the deepest part of a dive before they need to begin their ascent. This concept is crucial in scuba diving and deep-sea exploration, as it directly relates to the safety and health of the diver. Understanding bottom time is essential for anyone who wishes to engage in underwater activities safely. When divers descend into the water, they must be mindful of the pressure changes and how these affect their bodies. The deeper they go, the more pressure they experience, which can lead to various physiological effects, including nitrogen narcosis and decompression sickness if not managed properly.To illustrate the importance of bottom time, consider a scenario where a diver plans to explore a beautiful coral reef located 30 meters underwater. The diver must calculate their bottom time based on several factors, including their depth, the type of gas they are breathing, and their overall experience level. For instance, if the diver is using regular air, they may have a maximum bottom time of around 20 minutes at that depth before they need to start ascending. If they exceed this limit, they risk experiencing decompression sickness, which can be life-threatening.Moreover, divers often use dive tables or dive computers to help them monitor their bottom time. These tools provide critical information about safe diving practices, including how long they can stay at a certain depth and how long they should wait before diving again. By adhering to these guidelines, divers can enjoy their underwater adventures while minimizing risks associated with prolonged exposure to high pressures.In addition to safety considerations, bottom time also affects the overall diving experience. A well-planned dive allows divers to maximize their time exploring underwater environments without compromising their health. For example, if a diver knows their bottom time is limited, they can prioritize their exploration, ensuring they see the most important sights within the available time frame. This strategic approach not only enhances the enjoyment of the dive but also fosters a greater appreciation for the underwater world.Furthermore, the concept of bottom time extends beyond just recreational diving. It is equally relevant in scientific research, commercial diving, and underwater construction. Researchers studying marine life must carefully plan their dives to collect data without exceeding their bottom time, while commercial divers working on underwater projects must adhere to strict regulations to ensure their safety. In these contexts, understanding bottom time is vital for effective planning and execution, ultimately leading to successful outcomes.In conclusion, bottom time is a fundamental aspect of diving that every diver must understand and respect. It encompasses not only the duration spent at depth but also the implications for safety and enjoyment. By being aware of their bottom time, divers can make informed decisions, ensuring they have a safe and memorable experience underwater. Whether exploring vibrant coral reefs or conducting important scientific research, knowledge of bottom time is key to unlocking the wonders of the underwater world.

“底部时间”这个术语指的是潜水员在潜水的最深处可以停留的时间，超过这个时间后，他们需要开始上升。这个概念在潜水和深海探索中至关重要，因为它直接关系到潜水员的安全和健康。理解底部时间对于任何希望安全进行水下活动的人来说都是必不可少的。当潜水员下潜到水中时，他们必须注意压力变化以及这些变化如何影响他们的身体。潜得越深，所承受的压力就越大，如果处理不当，可能会导致各种生理效应，包括氮气麻醉和减压病。为了说明底部时间的重要性，考虑一个场景：潜水员计划探索位于30米深水下的美丽珊瑚礁。潜水员必须根据多个因素计算他们的底部时间，包括他们的深度、呼吸的气体类型以及他们的整体经验水平。例如，如果潜水员使用普通空气，他们在该深度的最大底部时间可能是20分钟，然后需要开始上升。如果超过这个限制，他们就有可能经历减压病，这可能危及生命。此外，潜水员通常使用潜水表或潜水电脑来帮助他们监测底部时间。这些工具提供关于安全潜水实践的重要信息，包括他们在某一深度可以停留多长时间以及在再次潜水前应该等待多长时间。通过遵守这些指南，潜水员可以享受他们的水下冒险，同时将与高压长期接触相关的风险降到最低。除了安全考虑，底部时间还影响整体潜水体验。合理规划的潜水使潜水员能够在不危害健康的情况下最大化探索水下环境的时间。例如，如果潜水员知道自己的底部时间有限，他们可以优先考虑探索，确保在可用的时间框架内看到最重要的景点。这种战略方法不仅增强了潜水的乐趣，还促进了对水下世界更深刻的欣赏。此外，底部时间的概念不仅适用于休闲潜水。在科学研究、商业潜水和水下施工中同样相关。研究海洋生物的研究人员必须仔细规划潜水，以便在不超过底部时间的情况下收集数据，而在水下项目工作的商业潜水员必须遵守严格的规定，以确保他们的安全。在这些情况下，理解底部时间对于有效的规划和执行至关重要，最终导致成功的结果。总之，底部时间是每个潜水员必须理解和尊重的潜水基本方面。它不仅涵盖了在深度停留的持续时间，还涵盖了对安全和享受的影响。通过意识到自己的底部时间，潜水员可以做出明智的决定，确保他们在水下拥有安全而难忘的体验。无论是在探索生机勃勃的珊瑚礁，还是进行重要的科学研究，了解底部时间是开启水下世界奇观的关键。