海上: at sea; on the sea; seaborne 短语和例子海上风暴 a storm at sea; 海上霸权 maritime hegemony; 海上保险 marine insurance; 海上避撞规则 rules of the road at sea; 海上补给 sealift; seaborne supply; supply by sea; 海上采油 of
海上风险: common maritime adventuremaritime perilsperil of the seaperils of the searisk of the seaseaperil
风险: risk; hazard; danger 短语和例子风险很大 full of hazard; 冒风险 take risks; 不顾一切风险 at all hazards; 风险由货主负担 at owner's risk; 风险补偿收入 income to compensate for risk-taking