sidetrackvt.
英 'saɪdtræk | 美 'saɪdtræk
中文vt. 将（火车）[建] 转到侧线；转变（话题）\nn. （铁路）侧线；次要地位\nvi. [建] 转到侧线；转变话题
将（火车）[建] 转到侧线；转变（话题）
n. （铁路）侧线；次要地位
vi. [建] 转到侧线；转变话题
词根词源
sidetrack (n.)also side-track, "railway siding," 1835, from side (adj.) + track (n.). The verb meaning "to move (a train car) onto a sidetrack" is from 1874; figurative sense of "to divert from the main purpose" is attested from 1881. Related: Sidetracked.
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