punctuate

punctuate
[ˈpʌŋ(k)tʃʊeɪt, -tjʊ-]
verb
[with obj.]
  1. (常作 be punctuated)occur at intervals throughout (a continuing event or a place)
    不时打断(连续事件,相连之处)
    the country's history has been punctuated by coups.
    该国历史上曾多次发生政变。
    ■(punctuate something with)interrupt or intersperse (an activity) with
    用…打断(或穿插于)(活动)
    she punctuates her conversation with snatches of song.
    她在谈话过程中不时唱上一曲。
  2. insert punctuation marks in (text)
    在(文本)中加标点
语源
  1. mid 17th cent. (in the sense 'point out'): from medieval Latin punctuat- 'brought to a point', from the verb punctuare, from punctum 'a point'
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