名词
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.
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