1·After a little exploration through the thick growth of kelp and seagrass, he picks up a promising-looking rock.
在厚厚的海藻和海草中摸索了一小会儿后，他拾起了一块看起来有潜质的石头。
2·Of the 150 million people who live across this string of islands, about 100 million depend on the mangroves and seagrass beds for food and building materials.
生活在这一串岛屿上的一亿五千万居民中，约有一亿人仰赖红树林以及长有海草的河床为他们提供食品和建筑材料。
3·Masonjones said the experience of earlier oil spills suggested it could take five years for seagrass to make a complete recovery, which represents about three generations of seahorses.
麦森吉尼斯说，经历之前的溢油事件，表明需要五年的时间这些海草才能恢复原貌，这大约正是海马的三次繁殖周期。
4·Seagrass beds are believed to rival rice paddies in their photosynthetic productivity or the ability to extract greenhouse gas CO2 and convert it into oxygen and stored carbon matter.
种植大米的土地能高效得进行光合作用—吸收温室气体二氧化碳，将其转化为氧气，并储存碳元素，海草的生长地同样如此。