train·spot·terBrE /ˈtreɪnspɒtə(r)/ 🔊NAmE /ˈtreɪnspɑːtər/ 🔊 noun (BrE) a person who collects the numbers of railway engines as a hobby （作为业余爱好）收集机车号码的人(disapproving) a person who is interested in the details of a subject that other people think are boring 过分注重细节的人▸ train·spot·ting BrE /ˈtreɪnspɒtɪŋ/ 🔊NAmE /ˈtreɪnspɑːtɪŋ/ 🔊 noun [uncountable]