微风拂过湖面，激起层层涟漪。

The lake was still until the wind made the water start ___rippling.

欢笑声像波浪一样在教室里荡漾开来。

Laughter ___rippled through the classroom like waves.

微风拂过湖面，泛起层层涟漪。

The breeze blew across the lake, ___rippling its surface.