cascade

她在社交媒体上发布的照片引发了一系列的点赞和评论。

Her photo posted on social media set off a ___cascade of likes and comments.

这个有缺陷的更新在整个网络中引发了一连串的系统错误。

The faulty update triggered a ___cascade of system errors across the entire network.

她打开旧箱子，褪色的老照片像瀑布一样倾泻在地板上。

She opened the old trunk and a ___cascade of faded photographs spilled onto the floor.