rorqual

简明释义

英[ˈrɔːkw(ə)l]美[ˈrɔkwɔl]

n. 鳁鲸

英英释义

单词用法

同义词

反义词

例句

1.Other baleen whales are the blue, fin, gray, humpback, and sei whales and the rorqual.

其它的须鲸有蓝鲸、鳍鲸、灰鲸、驼背鲸、鳕鲸和鲸。

2.Other baleen whales are the blue, fin, gray, humpback, and sei whales and the rorqual.

其它的须鲸有蓝鲸、鳍鲸、灰鲸、驼背鲸、鳕鲸和鲸。

3.The blue whale, a type of rorqual, is the largest animal on the planet.

蓝鲸，一种须鲸，是地球上最大的动物。

4.The heart of a rorqual can weigh as much as a small car.

一只须鲸的心脏可以重达一辆小汽车。

5.Scientists study the feeding habits of the rorqual to understand its role in the marine ecosystem.

科学家研究须鲸的觅食习惯，以了解它在海洋生态系统中的角色。

6.During our whale watching tour, we were lucky enough to spot a rorqual breaching the surface.

在我们的观鲸之旅中，我们幸运地看到了一只须鲸跃出水面。

7.The rorqual family includes several species, such as the fin whale and the humpback whale.

须鲸家族包括多个物种，如鳍鲸和座头鲸。

作文

The ocean is home to a diverse array of marine life, and among its most magnificent inhabitants is the rorqual, a term that refers to a group of large baleen whales known for their distinctive pleated throat grooves. These remarkable creatures can be found in oceans around the world, and they play a vital role in maintaining the health of marine ecosystems. The rorqual family includes species such as the blue whale, the fin whale, and the humpback whale, each with unique characteristics and behaviors. The blue whale, for instance, is the largest animal on the planet, reaching lengths of up to 100 feet and weighing as much as 200 tons. Despite their enormous size, these gentle giants primarily feed on tiny shrimp-like animals called krill. During feeding season, a single blue whale can consume up to four tons of krill each day. This incredible feeding mechanism involves the whale taking in vast amounts of water and then using its baleen plates to filter out the krill. Another fascinating member of the rorqual family is the fin whale, which is known for its speed and agility in the water. Fin whales can swim at speeds of up to 20 miles per hour, making them one of the fastest whale species. Their streamlined bodies and long, slender fins allow them to navigate through the ocean with grace. Like other rorquals, fin whales also rely on baleen to filter their food from the water. They are often seen in groups, which adds to the spectacle of their natural behavior.The humpback whale, another member of the rorqual family, is famous for its acrobatic displays and haunting songs. Humpbacks are known to breach the surface of the water, leaping into the air and crashing back down with tremendous force. This behavior is not only spectacular to witness but may also serve various purposes, such as communication or attracting mates. Their songs, which can last for up to 30 minutes, are complex and can travel long distances underwater. Researchers believe these songs play a role in mating rituals and social interactions among humpback whales.Unfortunately, like many marine species, rorquals face numerous threats due to human activities. Commercial whaling in the past has significantly reduced their populations, and today, they continue to struggle against challenges such as climate change, habitat loss, and entanglement in fishing gear. Conservation efforts are crucial to ensuring the survival of these majestic creatures. Organizations around the world are working to protect whale habitats, enforce regulations against illegal hunting, and raise awareness about the importance of preserving marine biodiversity.In conclusion, the rorqual is not just a fascinating group of whales; they are essential to the health of our oceans. Understanding and protecting these incredible animals is vital for maintaining the balance of marine ecosystems. As we continue to learn more about their behaviors, biology, and the challenges they face, it becomes increasingly clear that we must take action to safeguard their future. The survival of the rorqual depends on our collective efforts to protect the oceans they call home.

海洋是多样化海洋生物的家园，其中最壮观的居民之一就是rorqual，这个术语指的是一组大型须鲸，以其独特的褶皱喉咙而闻名。这些令人惊叹的生物可以在世界各地的海洋中找到，它们在维持海洋生态系统的健康方面发挥着至关重要的作用。rorqual家族包括蓝鲸、鳍鲸和座头鲸等物种，每种都有独特的特征和行为。例如，蓝鲸是地球上最大的动物，体长可达100英尺，体重可达200吨。尽管它们体型庞大，但这些温和的巨人主要以微小的虾类动物——磷虾为食。在觅食季节，一只蓝鲸每天可以消耗多达四吨的磷虾。这种令人难以置信的进食机制涉及鲸鱼吸入大量水，然后利用其须板过滤出磷虾。另一个迷人的rorqual家族成员是鳍鲸，以其在水中的速度和灵活性而闻名。鳍鲸的游泳速度可达每小时20英里，是最快的鲸鱼物种之一。它们流线型的身体和细长的鳍使它们能够优雅地在海洋中穿梭。像其他rorqual一样，鳍鲸也依赖须板从水中过滤食物。它们通常成群出现，这增加了它们自然行为的壮观性。座头鲸，rorqual家族的另一个成员，以其杂技般的表演和悠扬的歌声而闻名。座头鲸以跳出水面而著称，跃起并以巨大的力量坠落。这种行为不仅令人惊叹，还可能服务于各种目的，如交流或吸引配偶。它们的歌声可以持续长达30分钟，复杂的旋律可以在水下传播很长距离。研究人员认为这些歌曲在交配仪式和座头鲸之间的社交互动中发挥着作用。不幸的是，像许多海洋物种一样，rorqual面临着由于人类活动造成的众多威胁。过去的商业捕鲸显著减少了它们的种群数量，而今天，它们仍然在气候变化、栖息地丧失和被渔具缠绕等挑战中挣扎。保护工作对于确保这些壮丽生物的生存至关重要。世界各地的组织正在努力保护鲸鱼栖息地，执行针对非法捕猎的法规，并提高对保护海洋生物多样性重要性的认识。总之，rorqual不仅是一组迷人的鲸鱼；它们对于我们海洋的健康至关重要。理解和保护这些令人难以置信的动物对维持海洋生态系统的平衡至关重要。随着我们不断了解它们的行为、生物学及其面临的挑战，越来越明显的是，我们必须采取行动来保护它们的未来。rorqual的生存取决于我们共同努力保护它们的家园。