could [强kʊd, 弱kəd] 动词 助动词
单语范例（未经PONS编辑处理）
The center of the island could also rotate, disorienting those attempting to master the clock strategy.
en.wikipedia.org He instead looked for the opposite effect, that is, that spinning a ferromagnet could change its magnetization.
en.wikipedia.org It was reported that a deal with unionized labor could not be reached after a year of negotiations.
en.wikipedia.org The transliteration was done in real time and the transliterated page could be seen in browser immediately.
en.wikipedia.org Eventually, the two decided that the only way they could guarantee the very finest cognac was relocate to the region and become producers themselves.
en.wikipedia.org