单语范例（未经PONS编辑处理）
Officials were often rotated, but rarely can their dates of appointment be determined precisely.
en.wikipedia.org Another pair of players use hand-held microphones to amplify subtle details and noises, inflecting the sound through quick (and precisely scored) motions.
en.wikipedia.org Further research is required to precisely determine the taxonomy of this species.
en.wikipedia.org The two tracks can then be precisely synchronised by matching the sound and movement.
en.wikipedia.org The subsequent course of events is not precisely known.
en.wikipedia.org