1·The first organisms that reproduced sexually were free-floating plankton.
最早的有性繁殖生物是自由漂浮的浮游生物。
—— 《柯林斯英汉双解大词典》
2·This book has large color photographs of sea animals, from plankton to clownfish to orcas.
这本书有许多海洋动物的彩色照片，从浮游生物到小丑鱼乃至逆戟鲸。
3·The bugs sustain not only the plant, but an intricate food web of bacteria, plankton and invertebrates.
这些怪物不仅供养着植物，而且是由细菌、浮游生物和无脊椎动物组成的一个复杂的食物网。
4·As that plankton sank, it fed a secondary boom among the bacteria below, consuming much of the oxygen in deeper waters.
由于那种浮游生物下沉，滋养了下面的细菌，使其形成二级繁荣，大量消耗了深层海域的氧气。
5·Because larger plankton require more nutrients, they have a greater need for the vertical mixing of the water column that restocks depleted nutrients.
由于较大的浮游生物需要更多的养分，为了补充耗尽的养分，它们对于水体中的垂直混合有着更高的需求。