undulation
🇺🇸
/ˌʌndʒəˈleɪʃn/
🇬🇧
/ˌʌndʒəˈleɪʃn/
noun
R
A gentle wave-like form or movement.
The undulation of the hills created a beautiful view as the sun set.
山丘的起伏在日落时创造了美丽的景色。
translation
波动
词形变化
Plural
undulations