tail fin

简明释义

垂直安定面

英英释义

例句

1.The dolphin's tail fin is crucial for its swimming efficiency.

海豚的尾鳍对其游泳效率至关重要。

2.During our snorkeling trip, I spotted a shark with a distinctive tail fin.

在我们的浮潜旅行中，我看到了一个有着独特尾鳍的鲨鱼。

3.The artist painted a beautiful mural depicting a fish with a vibrant tail fin.

艺术家画了一幅美丽的壁画，描绘了一条拥有鲜艳尾鳍的鱼。

4.The airplane's design includes a large tail fin for stability during flight.

飞机的设计包括一个大型的尾鳍以确保飞行时的稳定性。

5.In the aquarium, we learned that the tail fin helps fish balance in the water.

在水族馆，我们了解到尾鳍帮助鱼在水中保持平衡。

作文

The design of marine creatures has always fascinated scientists and nature lovers alike. One of the most striking features found in many fish and aquatic mammals is the tail fin. The tail fin serves multiple purposes, including propulsion, steering, and stabilization while swimming. Understanding the anatomy and functionality of the tail fin can provide insights into the evolutionary adaptations of these species.In fish, the tail fin is primarily used for movement. It acts like a propeller, pushing water behind the fish to propel it forward. Different species have evolved various shapes and sizes of tail fins to suit their environments and lifestyles. For example, a tuna has a large, crescent-shaped tail fin that allows for rapid bursts of speed, which is essential for escaping predators and catching prey. In contrast, a goldfish has a more fan-like tail fin, which provides better maneuverability in tight spaces.Aquatic mammals, such as dolphins and whales, also possess tail fins, known as flukes. These flukes are horizontally oriented and play a critical role in their swimming mechanics. When a dolphin moves its tail fin up and down, it generates thrust, allowing it to swim swiftly through the water. The shape and size of the fluke can greatly affect the animal's speed and agility. For instance, the long, slender flukes of a dolphin enable quick turns and agile movements, making them adept hunters.Moreover, the tail fin is not only crucial for locomotion but also plays a role in communication and social interactions among fish. Some species use their tail fins to signal to each other during mating rituals or to establish dominance within a school. The movement and coloration of the tail fin can convey different messages, showcasing the complexity of underwater communication.In addition to their biological significance, tail fins have inspired human innovation. Engineers and designers often study the structure and function of tail fins in nature to improve the design of boats and submarines. By mimicking the efficient propulsion systems of fish, they aim to create vessels that can move faster and with less energy consumption.In conclusion, the tail fin is a remarkable adaptation that highlights the ingenuity of evolution. Its multifaceted roles in movement, communication, and inspiration for human technology demonstrate the importance of studying these features in marine life. As we continue to explore the oceans and learn about the creatures that inhabit them, the tail fin serves as a reminder of the intricate connections between form, function, and the environment. By understanding the significance of the tail fin, we gain a deeper appreciation for the diversity of life in our waters and the lessons it holds for us all.

海洋生物的设计一直吸引着科学家和自然爱好者。许多鱼类和水生哺乳动物中最引人注目的特征之一就是尾鳍。尾鳍有多种用途，包括推进、转向和游泳时的稳定性。理解尾鳍的解剖结构和功能可以为我们提供对这些物种进化适应的深入了解。在鱼类中，尾鳍主要用于运动。它像一个螺旋桨，推动水向后，从而推动鱼向前游动。不同的物种进化出了各种形状和大小的尾鳍，以适应它们的环境和生活方式。例如，金枪鱼的尾鳍大而弯曲，能够迅速加速，这对逃避捕食者和捕捉猎物至关重要。相比之下，金鱼的尾鳍则更像扇子，能在狭小空间中提供更好的机动性。水生哺乳动物，如海豚和鲸鱼，也拥有尾鳍，称为尾鳍。这个尾鳍是水平的，在它们的游泳机制中扮演着关键角色。当海豚上下摆动其尾鳍时，会产生推力，使其能够快速在水中游动。尾鳍的形状和大小会极大地影响动物的速度和灵活性。例如，海豚的长而纤细的尾鳍使其能够快速转向和灵活移动，成为优秀的猎手。此外，尾鳍不仅对运动至关重要，还在鱼类之间的交流和社会互动中发挥作用。一些物种利用它们的尾鳍在交配仪式中或在鱼群中建立主导地位时进行信号传递。尾鳍的运动和颜色可以传达不同的信息，展示了水下交流的复杂性。除了生物学上的重要性，尾鳍还激发了人类的创新。工程师和设计师经常研究自然界中尾鳍的结构和功能，以改善船只和潜艇的设计。通过模仿鱼类高效的推进系统，他们旨在创造出能够更快、更少消耗能量的船只。总之，尾鳍是一种卓越的适应性，突显了进化的巧妙。它在运动、交流和对人类技术启发方面的多重角色展示了研究这些水生生物特征的重要性。随着我们继续探索海洋并了解栖息在其中的生物，尾鳍提醒我们生物形态、功能与环境之间的复杂联系。通过理解尾鳍的重要性，我们对水域中生命的多样性及其对我们的教训有了更深的认识。