Definition: relating to the most important or main part of something Level: C2
这两种理论之间存在着根本性的差异。
There is a ___fundamental difference between the two theories.
训练对于在这项运动中取得成功至关重要。
Training is ___fundamental to success in this sport.
对他来说，诚实是任何关系的基石。
For him, honesty is ___fundamental to any relationship.
