incessant
词根词缀：
cessation n. 停止，中止
cess 停止 + ation 行为，过程，状态，结果 → 停止，中止
cesspool n. 污水坑；化粪池
cess 停止 + pool 水池 → 一潭死水 → 污水坑
incessant adj. 无穷无尽的
in 不 + cess 停止 + ant …的 → 无穷无尽的
recess n. 休息；暂停
re 重新 + cess 停止 → 重新停下来 → 暂停
数据来源：新东方英语词汇速记大全
相关例句：
The incessant demand for change characterize our time.
不断地要求变革概括了我们时代的特征。
The incessant expansion period was not the original plan for your creation.
持续不断的膨胀期并不是你们创造物的最初蓝图。
Is it his incessant complaining?
还是他不停地抱怨？
You are an incessant stimulus to my inspiration and aspiration.
你是我灵感与热望的无尽的来源。
From the very first days of the reforms, the parliament kept up an incessant drumbeat of protest.
从改革的第一天起，议会就不断施压予以抗议。
The perfect combination of rhythm and techniques in operas has always been the incessant pursuit of great composers.
歌剧中，旋律与技巧的完美结合一直是伟大作曲家们的不懈气追求目标。