2. The perennial vegetation adjusts to the aridity by means of various avoidance mechanisms. 多年生植物会采用各种躲避机制以适应干旱。
3. We learned that the Botai were able to build large perennial villages, sometimes with hundreds of homes. 我们了解到博泰人能够建造大型的常年村庄，有时候村里有上百户人家。
4. Spartina alterniflora, known as cordgrass, is a deciduous, perennial flowering plant native to the Atlantic coast and the Gulf Coast of the United States. 互花米草，又称绳草，是一种落叶的多年生开花植物，原产于美国的大西洋沿岸和墨西哥湾沿岸。
5. How about attracting new people to perennial gardening and developing novice gardeners into avid gardeners? 吸引新的人们种植多年生植物，把园艺初学者发展成园艺爱好者怎么样？
