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
and you can listen to him over the phone.
而且你可以在电话中听到他的声音。
Straight trees have crooked roots.
直树也有曲根。
This material looks nice. And so does this one.
这种料子看来不错，这个也很好。