?滑陷球
... 下降；猛然落下；衰落；坍塌；滑移 slump 滑陷球 slump ball 滑塌角砾岩 slump breccia ...
My slump before this was undone by turning my living room into a giant ball pit.
FORBES: The Surprising Way to Get Out of a Slump
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。