cycad

简明释义

英[ˈsaɪkæd]美[ˈsaɪkæd]

n. 苏铁属植物

英英释义

单词用法

同义词

反义词

例句

1.Cycad lovers buy and plant them in their private gardens.

苏铁爱好者买了它们，并种在私人花园里。

2.Cycad Leaf - a healthy essential food which supplies PLEO rb its daily needs. The taste is different from the Conifer Leaf and can also be used as daily food for PLEO rb.

苏铁叶—瑞宝日常所需的健康基本食物。它是一种与松柏叶片完全不同的食物，仍然能用于瑞宝的日常所需。

3.Two important aboriginal foods are the fruit of the cycad palm, and a large nutritious yam.

澳洲土著人有两种重要的食物：一种是铁树目裸子类棕桐树的果子，另一种是又大又有营养的山药。

4.Furthermore, the structure of most female cycad cones seems inconsistent with direct pollination by wind.

此外，大部分雌苏铁球果的结构似乎与风直接授粉不一致。

5.The cycad lovers cause cycads to be in danger.

苏铁爱好者使苏铁处于危险之中。

6.Cycad Leaf - a healthy essential food which supplies PLEO rb its daily needs. The taste is different from the Conifer Leaf and can also be used as daily food for PLEO rb.

苏铁叶—瑞宝日常所需的健康基本食物。它是一种与松柏叶片完全不同的食物，仍然能用于瑞宝的日常所需。

7.Two important aboriginal foods are the fruit of the cycad palm and a large nutritious yam.

澳洲土著人有两种重要的食物：一种是铁树目裸子类棕桐树的果子，另一种是又大又有营养的山药。

8.The Wood's Cycad found in 1895 is the only one of its kind.

1895年发现的苏铁树是同类树种中的唯一一株。

9.A green park, it is the lungs of Nanning, the biggest cycad garden around the world.

林木青翠，是“南宁市的局肺”， 有世界上最大的苏铁园。

10.Two important aboriginal foods are the fruit of the cycad palm, and a large nutritious yam.

澳洲土著人有两种重要的食物：一种是铁树目裸子类棕桐树的果子， 另一种是又大又有营养的山药。

11.Many people are unaware that the cycad is not a true palm tree.

许多人不知道苏铁并不是真正的棕榈树。

12.The cycad is often used in landscaping due to its unique foliage.

由于其独特的叶子，苏铁常用于园艺设计。

13.Some species of cycad are endangered and require conservation efforts.

一些种类的苏铁正处于濒危状态，需要保护工作。

14.The garden features a beautiful cycad, which is known for its prehistoric appearance.

这个花园里有一株美丽的苏铁，以其史前的外观而闻名。

15.In tropical regions, cycads can be found thriving in the wild.

在热带地区，苏铁可以在野外茁壮成长。

作文

The world of plants is incredibly diverse, with each group showcasing unique adaptations and characteristics. One such fascinating group is the cycads, which are often referred to as living fossils due to their ancient lineage. The term cycad (苏铁) refers to a group of seed plants that have a long history, dating back to the age of the dinosaurs. These plants are characterized by their stout and woody trunks, large, compound leaves, and the production of cones. Unlike flowering plants, cycads (苏铁) reproduce through cones, making them a crucial part of the evolutionary story of plant life on Earth.Cycads are primarily found in tropical and subtropical regions, where they thrive in well-drained soils and warm climates. They can be seen in various landscapes, from sandy beaches to rocky hillsides. The appearance of cycads (苏铁) is often reminiscent of palm trees, but they belong to a different classification altogether. Their leaves are typically stiff and leathery, providing them with resilience against harsh environmental conditions.One of the most remarkable aspects of cycads (苏铁) is their symbiotic relationship with nitrogen-fixing bacteria. This relationship allows them to thrive in nutrient-poor soils, as the bacteria convert atmospheric nitrogen into a form that the plants can use for growth. This adaptation is particularly beneficial in their native habitats, where soil nutrients may be limited.Despite their ancient origins, cycads (苏铁) are facing significant threats today. Habitat destruction, climate change, and illegal collection for ornamental purposes have led to a decline in their populations. Many species are now considered endangered, highlighting the urgent need for conservation efforts. Organizations around the world are working to protect these unique plants through habitat preservation and cultivation programs.In addition to their ecological importance, cycads (苏铁) also hold cultural significance in many societies. Some indigenous peoples have used the seeds of certain cycad species as a food source, although proper preparation is necessary to remove toxins. Furthermore, their striking appearance makes them popular in landscaping and gardening, with many enthusiasts cultivating various species in their homes.The study of cycads (苏铁) also provides valuable insights into the history of plant evolution. Fossil evidence shows that these plants were once widespread and dominated the landscape during the Mesozoic era. Understanding their evolutionary journey helps scientists piece together the complex relationships between different plant groups and their adaptations over time.In conclusion, cycads (苏铁) are a remarkable group of plants that offer a glimpse into the past while also posing challenges for the future. Their unique characteristics, ecological roles, and cultural significance make them worthy of attention and protection. As we continue to explore the diversity of plant life, it is essential to recognize the importance of preserving these ancient treasures for future generations to appreciate and learn from.