shad

简明释义

英[ʃæd]美[ʃæd]

n. 河鲱；西鲱属及黑海鲱属，鲱科

n. （Shad）（美、英、巴基斯坦）沙德（人名）

复 数 s h a d 或 s h a d s

英英释义

单词用法

同义词

反义词

例句

1.The camp's chief coordinator Noor Shad oversees aid for nearly 2,000 individuals.

营地首席协调员沙德负责监督将近两千人的援助工作。

2.We have filet of sole, flounder, and baked shad.

我们有上等螺沙鱼排、比目鱼，还有烤鲱鱼。

3.If you shad tears when you miss the sun, you also miss the stars.

如果你为了错过太阳而流泪，那么你也将与群星擦身而过。

4.Shad rode up on the rope with mee were the last ones out of the water.

谢德与我一起吊上去——我们是最后离开水面的。

5.In two thousand three, to educate women, the institute established Gawhar Shad University in Peshawar, Pakistan.

在2003年，为了给女性提供教育机会，该学院在巴基斯坦的白沙瓦建立高哈尔沙德大学。

6.Shad a sad experience last week at a road race in the town where I lice.

上个星期，我参加了我住的那个小镇举行的一场公路赛跑，那是一次令人难过的经历。

7.After a velvety oyster soup came shad and cucumbers, then a young broiled Turkey with corn fritters, followed by a canvas-back with currant jelly and a celery mayonnaise.

一道可口的牡蛎汤之后，上了河鲱和黄瓜，然后是一客童子鸡与油炸玉米馅饼，接着又有灰背野鸭和醋栗酱和蛋黄汁芹菜。

8.In some regions, shad are celebrated in local festivals.

在一些地区，鲱鱼在当地节日中备受赞誉。

9.The river is filled with shad during the spring migration.

春季迁徙时，河里充满了鲱鱼。

10.The spawning season for shad usually starts in March.

鲱鱼的产卵季节通常在三月开始。

11.You can find shad in both freshwater and saltwater environments.

你可以在淡水和盐水环境中找到鲱鱼。

12.Many fishermen hope to catch shad for their delicious taste.

许多渔民希望捕到鲱鱼，因为它们味道鲜美。

作文

The world of aquatic life is filled with fascinating creatures, and one such fish that captures the interest of many is the shad. The shad is a type of fish that belongs to the family Clupeidae, which also includes herring. These fish are known for their migratory behavior, often traveling long distances between freshwater rivers and the ocean. This unique life cycle allows them to thrive in different environments, making them an essential part of both ecosystems. In this essay, I will explore the characteristics, habitat, and significance of the shad in our natural world.Firstly, let’s delve into the physical characteristics of the shad. They are typically slender, with a streamlined body that helps them swim efficiently in water. Their coloration ranges from blue-green on the back to silver on the sides, which aids in camouflage against predators. The most notable feature of the shad is the large, forked tail, which provides powerful propulsion when swimming. Adult shad can reach lengths of up to 30 inches, depending on the species. These attributes not only help them survive but also make them a target for anglers who seek to catch them for sport or food.Secondly, the habitat of the shad is quite diverse. They are primarily found along the Atlantic coast of North America, where they migrate from the ocean into rivers to spawn. This migration usually occurs in the spring when the water temperatures rise, signaling the shad to return to their natal rivers. The spawning process is quite remarkable; females release their eggs in shallow waters, and males fertilize them. After spawning, the adult shad return to the ocean, while the young fish remain in the river until they are ready to venture out to sea. This life cycle showcases the shad's adaptability to both saltwater and freshwater environments.The significance of the shad extends beyond its biological characteristics. Ecologically, shad plays a vital role in the food chain. They serve as a food source for various predators, including birds, larger fish, and even mammals. Moreover, the presence of shad in rivers is an indicator of a healthy ecosystem. Their migration patterns can also impact the nutrient flow in river systems, contributing to the overall health of aquatic habitats.From an economic perspective, shad fishing has been a tradition in many coastal communities for centuries. Fishermen eagerly await the arrival of shad each spring, as they are not only delicious but also a significant source of income. However, overfishing and habitat destruction have led to declines in shad populations, prompting conservation efforts to protect these vital fish. Organizations and government agencies are working together to ensure sustainable fishing practices and restore habitats to support shad populations.In conclusion, the shad is more than just a fish; it is an integral part of our aquatic ecosystems and holds economic importance for many communities. Understanding the life cycle, habitat, and ecological role of the shad can help us appreciate the delicate balance of nature and the need for conservation efforts. As we continue to learn about these remarkable fish, we must also take action to protect their habitats and ensure that future generations can enjoy the beauty and benefits of the shad.

水生生物的世界充满了迷人的生物，其中一种引起许多人兴趣的鱼是shad。shad是一种属于鲱科的鱼类，鲱科还包括鲱鱼。这些鱼以其迁徙行为而闻名，通常在淡水河流和海洋之间长途旅行。这种独特的生命周期使它们能够在不同的环境中茁壮成长，使它们成为两种生态系统的重要组成部分。在这篇文章中，我将探讨shad的特征、栖息地和在我们自然界中的重要性。首先，让我们深入了解shad的身体特征。它们通常体型修长，流线型的身体帮助它们在水中高效游泳。它们的颜色从背部的蓝绿色到侧面的银色，这有助于在捕食者面前伪装。shad最显著的特征是大而分叉的尾巴，这为游泳提供了强大的推进力。成年shad的长度可以达到30英寸，具体取决于物种。这些特征不仅帮助它们生存，也使它们成为钓鱼者追求的目标，钓鱼者希望捕捞它们作为运动或食物。其次，shad的栖息地相当多样化。它们主要分布在北美的大西洋沿岸，春季时，它们会从海洋迁移到河流中产卵。这种迁徙通常发生在春季，当水温升高时，信号传递给shad返回它们的母河。产卵过程非常显著；雌性在浅水中释放卵子，雄性对其进行受精。产卵后，成年shad返回海洋，而幼鱼则留在河中，直到它们准备好出海。这一生命周期展示了shad对盐水和淡水环境的适应能力。shad的重要性超越了其生物特征。从生态学的角度来看，shad在食物链中扮演着至关重要的角色。它们是各种捕食者的食物来源，包括鸟类、更大的鱼类甚至哺乳动物。此外，shad在河流中的存在是健康生态系统的指标。它们的迁徙模式也可能影响河流系统中的营养流动，有助于水生栖息地的整体健康。从经济角度来看，shad捕鱼在许多沿海社区中已经成为一种传统。渔民们热切期待每年春天shad的到来，因为它们不仅美味，而且是重要的收入来源。然而，过度捕鱼和栖息地破坏导致了shad种群的减少，促使保护工作以保护这些重要的鱼类。组织和政府机构正在共同努力，以确保可持续的捕鱼实践，并恢复栖息地以支持shad种群。总之，shad不仅仅是一种鱼；它是我们水生生态系统的一个重要组成部分，并且对许多社区具有经济重要性。理解shad的生命周期、栖息地和生态角色可以帮助我们欣赏自然的微妙平衡以及保护工作的必要性。随着我们继续了解这些非凡的鱼类，我们还必须采取行动保护它们的栖息地，确保未来几代人能够享受shad的美丽和益处。