forerunner

noun

1. something that precedes and indicates the approach of something or someone

Synonym: harbingerpredecessorheraldprecursor

2. a person who goes before or announces the coming of another

Synonym: precursor

3. anything that precedes something similar in time

e.g. phrenology was an antecedent of modern neuroscience

Synonym: antecedent

1. 先驱;先行者;预兆
If you describe a person or thing as the forerunner of someone or something similar, you mean they existed before them and either influenced their development or were a sign of what was going to happen.

e.g. ...a machine which, in some respects, was the forerunner of the modern helicopter...
在某些方面成为现代直升机前身的机器
e.g. Some respiratory symptoms can be the forerunners of asthma.
一些呼吸道症状可能是哮喘病的先兆。

1. forerunner

1. 前锋,先驱：foremost 首要,第一的 | forerunner 前锋,先驱 | foresee 预知

2. forerunner的反义词

2. 预兆：forepumping 前级抽气 | forerunner 预兆 | foreseeable 可预见的