annual succession

• 年演替

annual succession的用法和样例：

例句

1. Sociability may change considerably during the course of succession.
   群集度在演替过程中可能有相当地变化。
2. This sewage-consuming biological process depends on a closely interrelated succession of species of animal plankton.
   这种污水的生物净化过程就依赖着浮游动物种类的一种密切相关的演替。