The Danube flows into the Black Sea forming the Danube Delta which is a reservation of the Biosphere.
多瑙河流入黑海,形成保护生物圈的多瑙河三角洲。
At home, he joined a campaign to keep the Danube delta clean by distributing litter sacks to tourists.
在国内,他参加了一项旨在通过向游客们发放垃圾袋来保持多瑙河三角洲清洁的活动。
The Danube delta hosts over300 species of birds as well as45 freshwater fish species in its numerous lakes and marshes.
多瑙河三角洲不计其数的湖泊和沼泽哺育着300多种鸟类和45种多瑙河及其支流中特有的鱼类。
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