half astern

简明释义

半速倒车

英英释义

例句

1.During the drill, the trainees practiced going half astern in various weather conditions.

在演习中，学员们练习在不同天气条件下进行半速倒退。

2.To maneuver out of the tight dock, we had to go half astern before moving forward.

为了从狭窄的码头中驶出，我们必须先半速倒退然后再向前移动。

3.The captain ordered the ship to go half astern to avoid the approaching vessel.

船长命令船只半速倒退以避开靠近的船只。

4.When we hit a sandbank, the crew quickly put the engines on half astern to free the boat.

当我们撞上沙洲时，船员们迅速将引擎调至半速倒退以解救船只。

5.The pilot instructed the crew to engage half astern to slow down the vessel.

飞行员指示船员启动半速倒退以减缓船只速度。

作文

Navigating through the vastness of the ocean can be both exhilarating and daunting. Among the many skills a sailor must possess, understanding the intricacies of steering a vessel is paramount. One such term that often arises in maritime communication is half astern. This phrase refers to a specific maneuver where the ship's engines are set to run at half power in reverse. It is a crucial command used when a sailor needs to slow down or stop the vessel without losing control. The ability to execute this maneuver effectively can mean the difference between safety and disaster on the high seas.When a captain orders half astern, it is usually in response to a situation that requires immediate action. For instance, if a ship is approaching an obstacle, whether it be another vessel, a rocky shore, or even marine wildlife, the captain must act swiftly. By engaging the engines at half power in reverse, the ship begins to decelerate, allowing for better control and a smoother approach. This command is not only about reversing; it’s about maintaining the ship’s balance and ensuring that it does not veer off course.Understanding the mechanics behind half astern is also essential. When a vessel goes half astern, the propellers spin in the opposite direction, creating a force that pushes the ship backward. This action generates drag, which helps to slow the ship’s forward momentum. However, it is important to note that using this command requires skill and experience. If executed improperly, the ship could end up in a precarious position, risking collisions or grounding.In addition to its practical applications, the term half astern also embodies the spirit of teamwork and communication among crew members. When a captain issues this command, it is imperative that all hands on deck understand their roles. From the helmsman who steers the ship to the engineers monitoring the engines, every crew member must work in unison to ensure the maneuver is successful. This coordination not only enhances safety but also fosters a sense of camaraderie among the crew.Moreover, the concept of half astern can be metaphorically applied to life’s challenges. Just as a sailor must sometimes reverse course to navigate safely, individuals often face situations where they need to reevaluate their paths. Whether it’s in personal relationships, career choices, or academic pursuits, taking a step back can provide clarity and prevent hasty decisions. The wisdom in knowing when to go half astern in life can lead to more thoughtful and deliberate actions.In conclusion, the term half astern is more than just a nautical command; it represents a vital skill in seamanship and a broader life lesson. Understanding how to execute this maneuver effectively is essential for any sailor, as it ensures safety and control in potentially dangerous situations. Furthermore, the ability to recognize when to apply the principles of half astern in our own lives can lead to more successful outcomes. As we navigate our journeys, let us remember the importance of reflection and the power of pausing to reassess our direction.

在广阔的海洋中航行既令人兴奋又令人生畏。作为水手必须具备的众多技能之一，理解操纵船只的复杂性至关重要。在海事交流中经常出现的一个术语是half astern。这个短语指的是一种特定的操作，即船只的引擎以半功率向后运行。这是一项关键命令，用于水手需要减速或停止船只而不失去控制时。有效执行这一操作可以在浩瀚的海洋上意味着安全与灾难之间的区别。当船长下达half astern的命令时，通常是为了应对需要立即采取行动的情况。例如，如果一艘船正接近障碍物，无论是另一艘船、岩石海岸还是海洋生物，船长必须迅速采取行动。通过以半功率向后启动引擎，船只开始减速，从而提高控制能力和更平稳的接近。这一命令不仅涉及倒退；还关系到保持船只的平衡，确保它不会偏离航线。理解half astern背后的机制也至关重要。当一艘船进入half astern状态时，螺旋桨会朝相反方向旋转，产生一种将船向后推的力量。这一动作产生的阻力有助于减缓船只的前进势头。然而，需要注意的是，使用这一命令需要技巧和经验。如果执行不当，船只可能会处于危险的位置，面临碰撞或搁浅的风险。除了其实际应用外，half astern这一术语还体现了船员之间团队合作和沟通的精神。当船长发出这一命令时，所有在甲板上的人都必须了解自己的角色。从掌舵的水手到监控引擎的工程师，每位船员都必须齐心协力，以确保这一操作的成功。这种协调不仅增强了安全性，还增进了船员之间的友谊。此外，half astern的概念也可以比喻地应用于生活中的挑战。正如水手有时必须逆转航向以安全航行，个人在面临需要重新评估路径的情况下也常常会遇到类似的情形。无论是在个人关系、职业选择还是学术追求中，后退一步可以提供清晰度，避免草率的决定。在生活中知道何时采取half astern的智慧可以导致更深思熟虑和更有目的的行动。总之，half astern这一术语不仅仅是一个航海命令；它代表了航海技能的重要性和更广泛的生活教训。理解如何有效执行这一操作对任何水手来说都是至关重要的，因为它确保了在潜在危险情况下的安全与控制。此外，识别何时在我们自己的生活中应用half astern原则可以导致更成功的结果。在我们航行的旅程中，让我们记住反思的重要性以及暂停以重新评估方向的力量。