单语范例（未经PONS编辑处理）
In some instances, the lady was chosen, as in assigned to a knight by happenstance, whereby direct interaction may have been unlikely.
en.wikipedia.org A related-but-opposite technique is overclocking, whereby processor performance is increased by ramping the processor's (dynamic) frequency beyond the manufacturer's design specifications.
en.wikipedia.org The councillor had to countersign a royal decision, unless it was unconstitutional, whereby it gained legal force.
en.wikipedia.org From this arose the principle of free speech, still practiced there today, whereby anyone can take their own soapbox along and address the crowd.
en.wikipedia.org It is commonly applied to the phenomenon whereby an engine abruptly ceases operating and stops turning.
en.wikipedia.org