| 词汇 | sidetrack |
| 词根词缀 | 词源： sidetrack (n.) "railway siding," 1835, from side (adj.) + track (q.v.). The verb meaning "to move (a train car) onto a sidetrack" is from 1880; fig. sense of "to divert from the main purpose" is attested from 1889. |
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