单语范例（未经PONS编辑处理）
However, the necessary technology was still crude, and the 480 suffered electrical problems and the central electronics module needed to be replaced.
en.wikipedia.org Those songs were considered crude and unfit to be heard in polite society.
en.wikipedia.org Some argue that a crude mortality rate of one death per ten thousand people per day is already a full-scale emergency.
en.wikipedia.org It is planned to pump 22 million tonnes of crude oil annually.
en.wikipedia.org This is the rating that was achieved by the simple distillation of light crude oil.
en.wikipedia.org