搜尋結果
third rail
- IPA[ˌTHər(d) ˈrāl]
- an additional rail supplying electric current, used in some electric railroad systems.;a subject or issue considered by politicians to be too controversial to discuss.
noun: third rail, plural noun: third rails
- 更多解釋
- an additional rail supplying electric current, used in some electric railway systems.
Oxford Dictionary