perennial
adj. 多年生的；常年的；四季不断的；常在的；反复的
n. 多年生植物
复数 perennials
例句
What about perennial growers?
多年生植物种植者呢？
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。
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。
