A wide area round the two-storey building is sealed to all traffic except the emergency services.那个两层建筑周围的大片区域被封锁，只有提供应急服务的车辆可以通行。...a stairway in the rear of the building.大楼后面的楼梯They don't want people trampling the...
污水中的营养物确实会加快港口的海藻生长。Sewage nutrients do increase algal growth in the harbour.这个永远黑暗的地方蕴藏着很多料想不到的营养物.The permanent gloom held an unexpected pocket of nutrition.脑对于从血液中取走哪些营养物是有选择的.The brain is selective about which nutrie...