以无知为理由而提出的抗辩是不能成立的.No plea can be set up on the ground of ignorance.他针对对他的指控提出 “ 无罪 ” 的抗辩.He entered a plea of " not guilty " to the charges filed against him.他们来法院不是应诉, 而是抗辩.They appeared in court not to raise defences ...
These crustaceans provide a valuable food source for some fish.这些甲壳纲动物是某些鱼类重要的食物来源.When the tide ebbs it's a rock pool inhabited by crustaceans.退潮时，它便成为甲壳动物居住的岩石区潮水潭。Sir. J . Lubbock has recently remarked , that sev...