n. 前任；前辈；（进化序列中的）前体；原型
He succeeded his predecessor as CEO of the company.
他接替前任成为公司首席执行官。
This model is an improvement over its predecessor.
这款型号比它的前代产品有所改进。
The new smartphone has better battery life than its predecessor.
这款新智能手机的电池续航时间比上一代更长。