frogspawn

简明释义

英[ˈfrɒɡspɔːn]美[ˈfrɑːɡspɔːn]

蛙卵

英英释义

单词用法

同义词

反义词

例句

1.Frogspawn takes a week or so to hatch into tadpoles.

蛙卵需要一个星期左右才能孵化成蝌蚪。

2.Frogspawn takes a week or so to hatch into tadpoles.

蛙卵需要一个星期左右才能孵化成蝌蚪。

3.In spring, the pond was filled with frogspawn 青蛙卵, signaling the start of the breeding season.

春天，池塘里充满了青蛙卵，标志着繁殖季节的开始。

4.The children were fascinated by the clusters of frogspawn 青蛙卵 they found in the creek.

孩子们对他们在小溪中发现的青蛙卵簇感到着迷。

5.After a heavy rain, we noticed a lot of frogspawn 青蛙卵 floating on the surface of the water.

大雨过后，我们注意到水面上漂浮着许多青蛙卵。

6.The environmentalist explained how frogspawn 青蛙卵 is crucial for the ecosystem.

环保主义者解释了青蛙卵对生态系统的重要性。

7.During our biology class, we studied the development of frogspawn 青蛙卵 into tadpoles.

在我们的生物课上，我们研究了青蛙卵如何发育成蝌蚪。

作文

In the heart of spring, when the air begins to warm and the days grow longer, one of the most fascinating natural phenomena occurs in ponds and shallow waters across the countryside. This phenomenon is the appearance of frogspawn, which is the egg mass laid by frogs. These gelatinous clusters are often found floating on the surface of the water, resembling small blobs or jelly-like formations. The sight of frogspawn is not only a sign of the changing seasons but also an indication of the reproductive cycle of these amphibians. Frogs are known for their remarkable life cycle, which includes several stages of development. The journey begins when adult frogs emerge from hibernation and migrate to their breeding grounds, usually ponds or marshes. Here, the male frogs call out to attract females, using their distinctive croaks to signal their presence. Once a female selects a mate, she lays her eggs in the water, which are then fertilized by the male. This process results in the formation of frogspawn, which can contain hundreds to thousands of eggs, all encased in a protective jelly-like substance. The jelly serves multiple purposes: it protects the eggs from predators, provides some hydration, and helps maintain the right temperature for development. As the days pass, the eggs begin to hatch, and tiny tadpoles emerge. These tadpoles are quite different from their adult counterparts; they possess gills for breathing underwater, a long tail for swimming, and a diet primarily consisting of algae and plant matter. The transformation from frogspawn to tadpole is just the first step in a remarkable metamorphosis that will eventually lead to the emergence of adult frogs. As summer approaches, the tadpoles undergo significant changes. They gradually develop legs, lose their tails, and transition from a herbivorous diet to one that includes insects and other small creatures. This period of growth is crucial, as it prepares them for life on land. The transformation is a stunning example of nature's adaptability and resilience. Once fully developed, the young frogs leave the water and venture into their terrestrial environment, where they will continue to grow and mature. The presence of frogspawn in a pond is also an indicator of the overall health of the ecosystem. Frogs are sensitive to environmental changes, and their breeding success can reflect the quality of their habitat. Factors such as pollution, climate change, and habitat destruction can significantly impact frog populations. Therefore, observing frogspawn can serve as a reminder of the importance of conservation efforts to protect these vital ecosystems. In conclusion, frogspawn represents more than just the beginning of a new generation of frogs; it symbolizes the intricate connections within our ecosystems and the delicate balance required for life to flourish. As we witness the beauty of nature unfolding each spring, let us appreciate the role that frogspawn plays in the life cycle of frogs and the health of our environment. By protecting these habitats, we ensure that future generations will also have the opportunity to marvel at this incredible display of life.

在春天的中心，当空气开始变暖，白天变得更长时，乡村的池塘和浅水区会发生一种最迷人的自然现象。这种现象就是青蛙产卵时出现的frogspawn，即青蛙所产的卵块。这些明胶状的团块通常漂浮在水面上，像小水珠或果冻状的形态。看到frogspawn不仅是季节变化的标志，也是这些两栖动物繁殖周期的指示。 青蛙以其非凡的生命周期而闻名，包括几个发育阶段。旅程开始于成蛙从冬眠中苏醒并迁徙到繁殖地，通常是池塘或沼泽。在这里，雄性青蛙通过独特的鸣叫吸引雌性，以此来传达自己的存在。一旦雌性选择了配偶，她便在水中产下卵子，然后由雄性进行受精。这一过程形成了frogspawn，其中可能包含数百到数千个卵子，所有卵子都被包裹在一种保护性的果冻状物质中。 果冻具有多重用途：它保护卵子免受捕食者的侵害，提供一定的水分，并帮助维持适合发育的温度。随着时间的推移，卵子开始孵化，微小的蝌蚪出现。这些蝌蚪与成蛙截然不同；它们拥有用于水下呼吸的鳃、用于游泳的长尾巴，主要以藻类和植物为食。从frogspawn到蝌蚪的转变只是一个显著的变形过程的第一步，最终将导致成蛙的出现。 随着夏季的临近，蝌蚪经历显著的变化。它们逐渐长出腿，失去尾巴，从以草食为主的饮食转变为包括昆虫和其他小生物的饮食。这一生长阶段至关重要，因为它为它们在陆地上的生活做准备。这一转变是自然适应能力和韧性的惊人例证。一旦完全发育，幼蛙便离开水域，踏入陆地环境，在那里继续生长和成熟。 在池塘中发现frogspawn也是生态系统整体健康的指标。青蛙对环境变化非常敏感，它们的繁殖成功可以反映栖息地的质量。污染、气候变化和栖息地破坏等因素会对青蛙种群产生重大影响。因此，观察frogspawn可以提醒我们保护这些重要生态系统的保护努力的重要性。 总之，frogspawn代表的不仅仅是青蛙新一代的开始；它象征着我们生态系统内复杂的联系以及生命繁荣所需的微妙平衡。当我们每年春天见证大自然的美丽展开时，让我们欣赏frogspawn在青蛙生命周期和我们环境健康中所扮演的角色。通过保护这些栖息地，我们确保未来几代人也能有机会惊叹于这一令人难以置信的生命展示。