Undulating
v. 波动, 起伏, 呈波浪形( undulate的现在分词 ); 使波动, 使起伏, 使成波浪形; 波状
✅ 同义词
🔴 反义词
🗣️ 情景例句
Make yourself at home.
不要客气。
Congratulations on your recovery.
我恭喜你复原了。
It is all too easy to blame the railway authorities when something does go wrong.
因此，一旦铁路上真出了问题，人们便不加思索地责备铁路当局。