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
Do either of you have any reason
两位之中可有哪位因为某项原因
It's faster to go by plane than by boat.
和坐船比，坐飞机是更快的。
Professors from the university in Paris would be coming down by train.
巴黎那些大学的教授们将会坐火车来这里。