undulating
🇺🇸
/ˈʌndʒəleɪtɪŋ/
🇬🇧
/ˈʌndʒəleɪtɪŋ/
adjective
R
Rising and falling like waves
The hills had an undulating landscape that was both beautiful and challenging to traverse.
这些山丘有着起伏的地形，既美丽又具有挑战性，难以穿越。
translation
起伏