他和同事们研究了肥料中的一系列化学物质，包括硝酸盐，铵和尿素，观察他们对海藻的影响。
So he and his colleagues tested a range of chemicals found in fertilizers, including nitrate, ammonium and urea, to determine their effects on the algae.
由于这一系列动作使这双聚焦的鱼较为容易地发现在空中飞行美味的小虫或者是水下那一点点的海藻。
The entire arrangement makes it easy for this bifocal fish to spot a tasty bug flying above the water, or a bit of algae below.
真菌突破昆虫表皮障碍侵入寄主血淋巴后会产生一系列的二糖水解酶，其中包括海藻糖水解酶。
Fungi can produce several extracellular disaccharide-hydrolysing enzymes including trehalose-hydrolysing enzymes once they get into the haemolymph of insects.
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