groundbreaking
adjective uk/ˈɡraʊndˌbreɪ.kɪŋ/ us/ˈɡraʊndˌbreɪ.kɪŋ/
开辟新天地的，开创性的，创新的
If something is groundbreaking, it is very new and a big change from other things of its type.
His latest movie is interesting, but not groundbreaking. 他最近拍的电影很有趣，但没有什么创新。
Synonym: innovative