Ondulation
. 波浪式振荡, 波动
🗣️ 情景例句
In town. At the hardware store.
在镇上。在五金行里。
He knows enough that can live and hold his peace.
见多识广者沈默寡言。
He had lived in it as a child when it was already disappearing,
作为一个孩子他曾在西部生活过，当时西部拓荒生活正在消失。