His plan is to establish giant "forests" of kelp seaweed (a type of algae) at the surface of the ocean.
他的计划是在海面上建立一种巨大的巨藻（一种海藻）“森林”。
Algae range in size from single-celled organisms to giant kelp plants. Some live near the surface of the ocean, and these algae need nitrogen to grow.
海藻包括小到单细胞有机体、大到巨型褐藻的多种类型植物，有些海藻生长于海面附近，依赖氮元素成长。
This is a forest of giant kelp.
这是一个巨型海藻的森林。
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