derail
/ˌdiˈɹeɪl/ 名词 C1中文： 脱轨器、偏离主题
- Synonym of derailer: A device placed on railway tracks in order to cause a train to derail. · The derail was placed deliberately so that the train would fall into the river.
- An instance of diverting a conversation or debate from its original topic.
复数 derails
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