这些措施希望可以帮助美国在满足自身能源需求安全的前提下，不必增加环境负担。
Such measures hope to help the U.S. meet energy security needs without adding to environmental insecurity.
诚然，高速铁路建设增加了西班牙的负担，不过看在舒适的乘坐环境和车窗外乡村美景的份上，还是不要打压的好。
So the train is taking the strain in Spain. For comfort and countryside views, there is no beating it.
以往这些用后残存耐材都被作为工业废弃物处理，这不仅加重了企业的经济负担，而且更重要的是浪费了可利用的资源、增加了社会的环境负担。
In the past the used refractory was treated as industrial wastes, which not only increased an enterprise 's economic burden, but also wasted utilizable resources, adding environmental load to society.
应用推荐