hú / shuǐ / zhōng / dà / liàng / fán / zhí / de / lán / lǜ / zǎo / shǐ / shuǐ / miàn / chéng / xiàn / lǜ / sè湖水中大量繁殖的蓝绿藻使水面呈现绿色。The large amount of cyanobacteria growing in the lake made the water's surface look green.