wave mark

例句：

1. 1. The ocean waves were so powerful that they could break the rocks.
   海浪的力量如此之大，以至于能够冲刷掉岩石。
2. 2. The artist used a wave mark to create a sense of movement in the painting.
   艺术家使用波浪标记在画作中创造出动态感。
3. 3. The ship's crew marked the spot with a wave mark before leaving port.
   船员在离开港口前用波浪标记标出了位置。