microcontinent

例句：

1. 1. The microcontinent is home to many unique species of plants and animals.
   这个微型大陆上居住着许多独特的植物和动物。
2. 2. The discovery of a microcontinent could revolutionize our understanding of the origins of life on Earth.
   发现一个微型大陆可能会颠覆我们对地球上生命起源的理解。
3. 3. The microcontinent's geological history is still being studied, but it has been suggested that itmay have formed over millions of years.
   这个微型大陆的地质历史仍在研究中，但有推测认为它可能是在数百万年中形成的。