welwitschias

简明释义

英[/wɛlˈwɪtʃiəs/]美[/wɛlˈwɪtʃiəs/]

n. 千岁兰

英英释义

单词用法

同义词

反义词

例句

1."I've heard everything between 1500 to 3000 years as an age estimate for the largest welwitschias," says Sussman about these strange plants.

“我听到的年龄最大的千岁兰都在1500至3000岁之间，”萨斯曼谈到这种奇怪的植物时说。

2."I've heard everything between 1500 to 3000 years as an age estimate for the largest welwitschias," says Sussman about these strange plants.

“我听到的年龄最大的千岁兰都在1500至3000岁之间，”萨斯曼谈到这种奇怪的植物时说。

3.In Namibia, you can find ancient welwitschias that are over a thousand years old.

在纳米比亚，你可以找到超过一千年的古老welwitschias。

4.The unique structure of welwitschias makes them one of the most fascinating plants in the desert.

独特的welwitschias结构使它们成为沙漠中最迷人的植物之一。

5.The survival strategy of welwitschias involves storing water for long periods.

生存策略welwitschias涉及长时间储存水分。

6.Scientists study welwitschias to understand their adaptation to harsh environments.

科学家研究welwitschias以了解它们如何适应恶劣环境。

7.Visitors to the Namib Desert often marvel at the resilience of welwitschias.

前往纳米布沙漠的游客常常惊叹于welwitschias的韧性。

作文

In the arid landscapes of Namibia, a remarkable plant known as welwitschias thrives against all odds. The welwitschias, scientifically named Welwitschia mirabilis, is not just any ordinary plant; it is a living fossil that has survived for over a thousand years. This unique plant has only two leaves that grow continuously throughout its life, which can span several centuries. The welwitschias is adapted to survive in harsh desert conditions, drawing moisture from the fog that rolls in from the Atlantic Ocean. Its ability to withstand extreme temperatures and drought is a testament to nature's resilience and adaptability.The welwitschias has a fascinating life cycle. It begins its life as a seed, which requires specific conditions to germinate. Once it sprouts, the young plant develops its iconic leaves, which can reach lengths of up to 4 meters. These leaves are thick and leathery, designed to minimize water loss and maximize moisture absorption. The welwitschias can live for over a millennium, making it one of the longest-living plants on Earth. This longevity allows it to witness the changing climate and environment around it, adapting to new challenges as they arise.One of the most intriguing aspects of the welwitschias is its reproductive process. Unlike many other plants that rely on pollinators, the welwitschias is dioecious, meaning that there are separate male and female plants. The male plants produce pollen, which is carried by the wind to the female plants. Once fertilized, the female plants develop seeds that can remain dormant for years until conditions are favorable for germination. This reproductive strategy ensures the survival of the species in an unpredictable environment.The cultural significance of the welwitschias cannot be overlooked. For the indigenous people of Namibia, this plant holds a special place in their heritage. It is often regarded as a symbol of endurance and survival, reflecting the spirit of the people who inhabit the harsh desert landscape. The welwitschias has also attracted the attention of scientists and researchers, who study its unique adaptations to understand how life can flourish in extreme conditions.In conclusion, the welwitschias is more than just a plant; it is a symbol of resilience, adaptation, and survival. Its ability to thrive in one of the most inhospitable environments on Earth serves as a reminder of the strength of nature. As we face our own environmental challenges, the lessons learned from the welwitschias can inspire us to find innovative solutions and to appreciate the incredible diversity of life that exists on our planet. Protecting such unique species is crucial for maintaining the ecological balance and ensuring that future generations can learn from the extraordinary story of the welwitschias.

在纳米比亚的干旱地带，有一种名为welwitschias的奇特植物在逆境中茁壮成长。welwitschias，学名Welwitschia mirabilis，不仅仅是一种普通植物；它是一个活化石，已经存活了超过一千年。这种独特的植物只有两片叶子，这些叶子在其生命的整个过程中不断生长，寿命可达几个世纪。welwitschias适应在恶劣的沙漠条件下生存，从大西洋滚滚而来的雾气中汲取水分。它能够承受极端温度和干旱，证明了自然的韧性和适应能力。welwitschias的生命周期非常迷人。它以种子开始生命，种子需要特定条件才能发芽。一旦发芽，幼苗就会发展出其标志性的叶子，叶子可以达到4米的长度。这些叶子厚实而皮革质，旨在最大限度地减少水分流失并最大化水分吸收。welwitschias的寿命可以超过千年，使其成为地球上寿命最长的植物之一。这种长寿使它能够见证周围气候和环境的变化，并在出现新挑战时适应。welwitschias最引人入胜的方面之一是其繁殖过程。与许多依赖授粉者的植物不同，welwitschias是雌雄异株的，意味着有单独的雄性和雌性植物。雄性植物产生花粉，花粉通过风传播到雌性植物。一旦受精，雌性植物会发育出种子，这些种子可以在多年内保持休眠状态，直到条件适合发芽。这种繁殖策略确保了物种在不可预测环境中的生存。welwitschias的文化意义也不容忽视。对于纳米比亚的土著人民来说，这种植物在他们的遗产中占据特殊位置。它常常被视为坚韧和生存的象征，反映了生活在严酷沙漠环境中的人民的精神。welwitschias还吸引了科学家和研究人员的注意，他们研究其独特的适应能力，以了解生命如何在极端条件下蓬勃发展。总之，welwitschias不仅仅是一种植物；它是韧性、适应和生存的象征。它能够在地球上最不宜生存的环境之一中茁壮成长，提醒我们自然的力量。在我们面临自身环境挑战时，从welwitschias身上学到的教训可以激励我们找到创新的解决方案，并欣赏我们星球上存在的令人难以置信的生命多样性。保护这样的独特物种对维持生态平衡至关重要，确保未来几代人能够从welwitschias的非凡故事中学习。