单语范例（未经PONS编辑处理）
In 1973 policy concerns included economics, employment, defence, energy (fuel) supplies, land tenure, pollution and social security, as then seen within an ecological perspective.
en.wikipedia.org They were examined in the presence of the prisoner, who was allowed to cross-examine them and to call witnesses in his own defence.
en.wikipedia.org Although the common people remained firm in the defence, the court ministers' loyalties began to waver.
en.wikipedia.org Here he focused on defence and social affairs.
en.wikipedia.org Vixens are very protective of their kits, and have been known to even fight off terriers in their defence.
en.wikipedia.org