Undulates
v. 波动, 起伏, 呈波浪形( undulate的第三人称单数 ); 使波动, 使起伏, 使成波浪形
🗣️ 情景例句
She does the housework, is that right?
她专门干家务，对吗？
They only want to solve domestic problems.
他们只希望解决国内的问题。
We were getting very worried.
我们都非常担心呢。