Cichlids in Lake Victoria prefer males of different colors, which apparently led to separate species of blue and red cichlids.

维多利亚湖里的丽鱼科鱼（棘鳍类热带淡水鱼）宁愿按各种颜色选择雄鱼，这显然导致蓝色和红色两种丽鱼科鱼的隔离。

Scientists have warned that Lake Victoria, Africa's largest body of fresh water bordering Uganda, Kenya and Tanzania is under serious threat of dying.

科学家提醒毗邻乌干达、肯尼亚和坦桑尼亚的非洲最大的淡水湖——维多利亚湖极有可能成为死湖。

That newcomer, brown streak, is now ravaging cassava crops in a great swath around Lake Victoria, threatening millions of East Africans who grow the tuber as their staple food.

来势汹汹的褐条病毒现在正在维多利亚湖沿岸的大片农田中肆虐，并威胁到了数百万东非人的口粮，因为木薯是他们的日常主食。