All vessels were to be built on a cost-plus basis.所有的船只都将在成本加利润的基础上制造。The vessels will have to land their catch at designated ports.船只必须在指定的港口把捕到的鱼卸下。Roman vessels used to sail with the tide from Boulogne to Richborough....
Protection of sites, habitats and landscapes is of uppermost priority.保护遗址、栖息地和风景区是重中之重。Plants, like animals, often have restricted habitats.植物和动物一样，生活环境常常有限。Facies of species are often connected with extreme or disturbe...