thrust down

简明释义

压下

英英释义

例句

1.She thrust down the book on the table in frustration.

她在桌子上用力放下了书，感到沮丧。

2.He thrust down the lever to start the machine.

他向下推了杠杆以启动机器。

3.The athlete thrust down his foot to gain speed.

运动员用力踩下脚以加速。

4.The teacher thrust down the marker, signaling the end of the class.

老师用力放下了马克笔，示意下课。

5.The knight thrust down his sword, ready to engage in battle.

骑士向下猛刺他的剑，准备迎战。

作文

In the realm of physics, forces play a crucial role in understanding movement and stability. One such force that often comes into play is gravity, which can be described as a force that pulls objects toward the center of the Earth. When we examine how gravity interacts with various objects, we can use the term thrust down to describe the way in which an object is pushed or forced downward due to this gravitational pull. This concept can be illustrated through various examples in our daily lives.For instance, consider a simple scenario where you are holding a book above your head. If you were to let go of the book, it would not just hover in mid-air; instead, it would begin to fall towards the ground. The moment the book is released, gravity exerts a force on it, causing it to thrust down rapidly until it makes contact with the floor. This action demonstrates the powerful influence of gravity, as it consistently acts to thrust down any object that is not being supported.Another example can be seen in sports, particularly in high jump competitions. Athletes prepare to leap as high as they can, but once they reach the peak of their jump, gravity takes over. As they begin to descend, gravity will thrust down their bodies towards the mat below. The athlete must be prepared for this force, using techniques to land safely and minimize the impact. This illustrates how the concept of thrust down is not only a scientific principle but also a practical concern for athletes.In engineering, the idea of thrust down becomes essential when designing structures. Architects and engineers must consider the weight of materials and how they will interact with forces acting upon them. For example, when building a skyscraper, the foundation must be strong enough to withstand the weight of the building above, which constantly exerts a force to thrust down on it. If the foundation is not adequately designed, it could lead to structural failure, emphasizing the importance of understanding how forces operate in our environment.Moreover, the term thrust down can also apply metaphorically in various contexts. For instance, in discussions about mental health, one might describe feelings of depression as a sensation that thrusts down on an individual, making it difficult to rise above challenges. This metaphorical use of the term highlights how forces can affect us emotionally and psychologically, similar to how physical forces impact objects.In conclusion, the phrase thrust down encapsulates a fundamental concept in physics that describes the downward force exerted by gravity. Whether it is a book falling to the ground, an athlete descending from a jump, or a building's foundation supporting immense weight, understanding how forces work helps us navigate both the physical and metaphorical aspects of our lives. By recognizing the implications of thrust down, we can better appreciate the balance of forces in our universe and how they influence our daily experiences.

在物理学领域，力在理解运动和稳定性方面起着至关重要的作用。其中一个经常出现的力是重力，它可以被描述为将物体拉向地球中心的力量。当我们研究重力如何与各种物体相互作用时，我们可以使用“thrust down”这个术语来描述物体由于这种引力而被向下推或强行向下的方式。这个概念可以通过我们日常生活中的各种例子来说明。例如，考虑一个简单的场景，你把一本书举在头顶上。如果你放开这本书，它不会只是悬停在半空中；相反，它会开始向地面掉落。当书被释放的那一刻，重力对它施加了一个力量，导致它迅速向下推，直到与地面接触。这个动作展示了重力的强大影响，因为它始终作用于任何未被支撑的物体，使其向下推。另一个例子可以在运动中看到，特别是在跳高比赛中。运动员准备尽可能高地跳跃，但一旦他们达到跳跃的顶峰，重力就会接管。当他们开始下降时，重力会向下推他们的身体，朝着下面的垫子。运动员必须为这种力量做好准备，使用技巧安全着陆并减少冲击。这说明了“thrust down”的概念不仅是一个科学原理，也是运动员的实际关注点。在工程学中，“thrust down”的概念在设计结构时变得至关重要。建筑师和工程师必须考虑材料的重量以及它们将如何与施加在其上的力量相互作用。例如，在建造摩天大楼时，基础必须足够坚固，以承受上方建筑的重量，这种重量不断施加力量向下推它。如果基础设计不当，可能会导致结构失效，强调了理解力量在我们环境中如何运作的重要性。此外，“thrust down”这个术语在各种上下文中也可以比喻性地应用。例如，在讨论心理健康时，人们可能会将抑郁感形容为一种“向下推”个体的感觉，使他们很难克服挑战。这种比喻用法突显了力量如何在情感和心理上影响我们，类似于物理力量对物体的影响。总之，短语“thrust down”概括了物理学中的一个基本概念，描述了重力施加的向下力量。无论是一本书掉落到地面、运动员从跳跃中下降，还是建筑的基础支撑巨大的重量，理解力量如何运作帮助我们应对生活中物理和比喻的各个方面。通过认识“thrust down”的影响，我们可以更好地欣赏宇宙中力量的平衡，以及它们如何影响我们的日常经历。