projectile

简明释义

英[prəˈdʒektaɪl]美[prəˈdʒektl]

n. 炮弹；抛射体；自动推进武器

adj. 可抛射物体的；供抛射用的；（触角等）能伸出的

复 数 p r o j e c t i l e s

英英释义

单词用法

同义词

反义词

例句

1.Last year's class built a 37-pound, 8.5-foot-long carbon-fiber projectile with advanced data-collection systems onboard.

去年的班级建造了一个37磅、8.5英尺长的碳纤维弹，上面有先进的数据收集系统。

2.Added ability to interrupt charging sequence for projectile weapons.

增加发射武器的充电顺序的能力。

3.Avoid projectile toys, such as darts, bows and arrows, and missile-firing toys.

避免投射类的玩具，例如飞镖，弓和箭以及点燃弹射类的玩具。

4.That became musca in Latin, then the diminutive muschetta and ultimately—by now a weapon, not a projectile—musket.

这个词（mice）在拉丁语中写作“musca（苍蝇）”，加上后缀又变成“muschetta”，最后演变成“musket”——滑膛枪，一种兵器而不是弹射装置。

5.The vertical and horizontal motions of a projectile can be treated independently .

抛射体的竖直方向和水平方向的运动能够分开来处理。

6.To get more scores try to change the projectile during the game.

为了得到更多的分数试图改变在比赛弹。

7.Rapier and projectile looms, which by design insert single picks, are ideally suitedfor pick - and - pick capability.

剑杆织机和片梭织机都是按每次引入一纬设计的，因此可以任意引纬。

8.The scientist launched a small projectile 弹丸 to test the effects of air resistance.

科学家发射了一个小的projectile 弹丸来测试空气阻力的影响。

9.During the physics experiment, we measured the speed of the projectile 投射物 after it left the cannon.

在物理实验中，我们测量了projectile 投射物离开大炮后的速度。

10.The military uses various types of projectiles 弹药 for different combat situations.

军方在不同的战斗情况下使用各种类型的projectiles 弹药。

11.A well-aimed projectile 飞弹 can change the outcome of a battle.

一枚瞄准准确的projectile 飞弹可以改变战斗的结果。

12.The video game features a variety of projectiles 投射物 that players can use to defeat enemies.

这款视频游戏有多种玩家可以用来击败敌人的projectiles 投射物。

作文

In the realm of physics, the study of motion is essential for understanding various phenomena that occur in our universe. One of the most intriguing aspects of this study is the behavior of a projectile, which is defined as an object that is thrown into the air with some initial velocity. The path that a projectile follows is known as its trajectory, and this concept can be observed in everyday life, from sports to space exploration. When we think about sports, many activities involve the motion of projectiles. For instance, when a basketball player shoots the ball towards the hoop, the ball acts as a projectile. The angle at which the player releases the ball, along with the force applied, determines how high and how far the ball will travel before it descends through the hoop. Understanding the principles of projectile motion can help athletes improve their performance and increase their chances of success in their respective sports. Moreover, the concept of projectile motion is not limited to just sports; it also plays a significant role in engineering and technology. Engineers must consider the behavior of projectiles when designing vehicles that travel through the air or space. For example, when launching a rocket, engineers calculate the necessary thrust and angle to ensure that the rocket follows a desired projectile path to reach its destination. This involves complex calculations that take into account gravity, air resistance, and other forces acting on the projectile. In addition to practical applications, the study of projectile motion also has historical significance. Ancient civilizations utilized the principles of projectile motion in warfare. Catapults and trebuchets were designed to launch stones and other projectiles over walls and barriers. These machines relied on the understanding of angles and force to maximize the distance and accuracy of the projectile. The effectiveness of these ancient weapons was a testament to the ingenuity of early engineers and their understanding of physics. Furthermore, the scientific study of projectiles has led to advancements in various fields, including ballistics, which is the science of the motion of projectiles. Ballistics is crucial for the development of firearms and ammunition, as it helps manufacturers create more accurate and efficient weapons. By studying the behavior of projectiles in different conditions, scientists can improve the safety and effectiveness of these tools. In conclusion, the term projectile encompasses a wide range of objects and phenomena that are integral to both our daily lives and advanced scientific pursuits. Whether in sports, engineering, or historical warfare, understanding the motion of projectiles allows us to harness their potential and apply this knowledge in various ways. As we continue to explore the principles of motion and the behavior of projectiles, we open the door to new innovations and discoveries that can shape our future.

在物理学领域，运动的研究对于理解我们宇宙中发生的各种现象至关重要。这个研究中最引人入胜的方面之一是projectile的行为，它被定义为一个以一定初速度被抛入空中的物体。projectile所遵循的路径被称为其轨迹，这一概念可以在日常生活中观察到，从体育运动到太空探索。 当我们想到体育运动时，许多活动涉及projectiles的运动。例如，当一名篮球运动员将球投向篮筐时，篮球就充当了一个projectile。运动员释放球的角度和施加的力量决定了球在下降入筐之前会飞多高、多远。理解projectile运动的原理可以帮助运动员提高他们的表现，并增加他们在各自运动中成功的机会。 此外，projectile运动的概念不仅限于体育，它在工程和技术中也扮演着重要角色。工程师在设计穿越空气或空间的车辆时，必须考虑projectiles的行为。例如，在发射火箭时，工程师计算必要的推力和角度，以确保火箭沿着期望的projectile路径到达目的地。这涉及复杂的计算，需要考虑重力、空气阻力和作用于projectile的其他力。 除了实际应用，projectile运动的研究还有历史意义。古代文明在战争中利用了projectile运动的原理。投石机和弩炮被设计用来将石头和其他projectiles投掷过墙壁和障碍物。这些机械依赖于对角度和力量的理解，以最大化projectile的距离和准确性。这些古代武器的有效性证明了早期工程师的聪明才智和他们对物理学的理解。 此外，projectiles的科学研究推动了多个领域的进步，包括弹道学，即projectiles运动的科学。弹道学对火器和弹药的发展至关重要，因为它帮助制造商创造更准确和高效的武器。通过研究projectiles在不同条件下的行为，科学家可以提高这些工具的安全性和有效性。 总之，projectile一词涵盖了一系列与我们的日常生活和先进科学追求密切相关的物体和现象。无论是在体育、工程还是历史战争中，理解projectiles的运动使我们能够利用其潜力，并以各种方式应用这些知识。随着我们继续探索运动原理和projectiles的行为，我们为新的创新和发现打开了大门，这些发现可以塑造我们的未来。