煤炭的未来在于平衡环境责任与能源需求。
The future of coal lies in balancing environmental responsibility with energy demands.
物理定律是普适的,在像银河系中心这样的极端环境中测试它们是至关重要的。
We must, however, acknowledge, as it seems to me, that man with all his noble qualities still bears in his bodily frame the indelible stamp of his lowly origin.