城市污水处理场的底泥含有大量的微生物,其中包括一些病原菌,如果不加处理会给环境造成再次污染。
The sludge from city sewage plant contains enormous microorganism, some of them are pathogenic bacteria, which will cause secondary pollution if notsuitably treated.
现在有人担心,计划修建的穿越湖底的输油管道可能会重新造成污染,导致鱼类数量再次下降。
Fears are now being voiced that the planned construction of an oil pipeline across the lake's bottom might revive pollution and cause the fish population to decline again.
该法案将在3个月内再次提交参议院审核,法案计划在2011年7月在澳大利亚引入碳污染减少计划。
The bill, which would have led to the introduction of a Carbon Pollution Reduction Scheme in July 2011, will return to the senate in three months.
But again, the more people cycle, the less pollution we have.
但是再次地,人们骑自行车越多,污染就会越少。
应用推荐