wave roses

例句：

1. 1.The waves rose and fell in the ocean.
   海浪起伏在海洋中。
2. 2. Thewave rose up to greetthe newcomer.
   波浪升起来迎接新来者。
3. 3. The wavesrose and fell as the tide went out.
   随着潮水的退去，波浪起伏不定。