起伏（きふく）
起伏 (起伏) · noun · JLPT N1
Examples
この辺りは土地の起伏が激しく、歩くのが大変だ。
The terrain here is very uneven, making it difficult to walk.
Practise the thinking. Keep the judgement.
Practise the thinking. Keep the judgement.
起伏 (起伏) · noun · JLPT N1
この辺りは土地の起伏が激しく、歩くのが大変だ。
The terrain here is very uneven, making it difficult to walk.