digression
n. 离题；脱轨
形容词：digressional
近义词：departure，deviation，aside，parenthesis，excursion，detour，abnormality，foray，divagation，diversion，deflection，excursus，deflexion，
英英释义
Noun
- a message that departs from the main subject
- a turning aside (of your course or attention or concern);
"a diversion from the main highway" "a digression into irrelevant details" "a deflection from his goal"
- wandering from the main path of a journey
例句
用作名词(n.)
- Here a short digression becomes necessary.这里有必要加一点题外的话。
- After this digression we return now to our original problem.在这一段插话以后，现在回到原来的问题。
- Now let's return from this digression to our subject.现在咱们言归正传。
- The wreck was caused by the digression of the two ships.这次遇难事件是由两只轮船的脱离航道引起的。