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
I still live with my parents.
我还和父母同住。
I'm sorry,but both of them are busy right now.
很抱歉他们现在很忙。
Two ice cream please.
请拿两份冰淇淋。