| 单词 | undulation |
| 释义 | undulatingundulating /ˈʌndʒəˌleɪt̮ɪŋ/ adjective [only before noun] formal moving or shaped like waves that are rising and falling: the undulating motion of a snake undulating hills—undulate verb [intransitive]—undulation /ˌʌndʒəˈleɪʃən/ noun [countable, uncountable] |
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