科研之友
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摘要
<正>科学家们发现，波西多尼亚水生植物很有可能是地球上最大的植物，这项新发现能使公众更关注生态问题。1 Scientists have discovered what they believe is the world’s largest plant, an underwater field of sea grass that stretches for 112 miles (180 kilometers) off the west coast of Australia.The sea grass plant is believed to be around 4,500 years old.
