undulate
US /ˈʌndʒəˌlet/
・UK /'ʌndjʊleɪt/
C2 高級多益
v.i.不及物動詞波動
I fell asleep as I watched the waves undulate beneath my boat
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昆蟲學者が「セミがうるさい理由」を分かりやすく解説 | WIRED.jp (昆虫学者が「セミがうるさい理由」を分かりやすく解説 | WIRED.jp)
08:39
- That means that in some places there are as many as 1.5 million of them per acre, crawling out of the dirt and up into the trees where they shed their exoskeleton and begin to emit a piercing sound that seems to undulate.
這意味著在一些地方，每英畝有多達150萬隻，它們從泥土中爬出來，爬到樹上，在那裡它們脫下外骨骼，開始發出刺耳的聲音，似乎在起伏。
