discompose, perturb和fluster区别如下【1】decompose侧重指动物或植物类物体由于内部组织的分解而导致的腐烂过程。The debris slowly decomposes into compost.这些垃圾慢慢地分解成了堆肥。The fertilizer releases nutrients gradually as bacteria decompose it. 随着细菌的分解，肥料逐渐释放出各种营养成分。【2】perturb:书面语用词，指使人焦急烦恼，扰得心情不安。What perturbs me is that magazine articles are so much shorter nowadays. 让我不安的是现在杂志文章都短多了。【3】fluster 主要指因催促某人或者阻止某人去专注他们正在做的事情而让他们感到紧张和困惑The General refused to be flustered.将军没有乱了方寸。She was a very calm person. Nothing could fluster her. 她是个非常沉着的人。没什么能让她惊慌的。