episode含义为集数，插曲时是可数名词
episode
插曲常见释义
英[ˈepɪsəʊd]
跟读
美[ˈepɪsoʊd]
n.插曲(人生的)一段经历(小说的)片段(电视连续剧或无线电广播剧的)一集
例句
This episode gave Doctor Mayer her first clue to something every doctor learns sooner or later----most people just don't listen very well.
这段插曲给了玛雅医生第一个线索，而迟早每个医生都会懂得，即大多数人听的不准确。
变形
复数episodes
