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那一天的社团课上,老师带领我们全体生化社成员去认识校园里的树木。我的生物学得不算好,在我眼里,这些高高低低的树木几乎全都大同小异,并无什么特色。可是钱老师偏偏在这一棵树下停了下来,讲解道:“这是一棵水杉。”水杉?这名字着实普通了一些,再观察它的模样,我便愈发觉得这棵树不值得我们驻足。但钱老师的一席话却让我们立即对这棵外形平平、名字普通的“水杉”充满了好奇。原来这水杉的来历可不简单,它差点就在史前的灾难中绝迹了。白垩纪及新生代时期,水杉属植物曾广泛地分布在北半球,但冰期以后,同属于水杉属
On that day’s class, the teacher led all members of Biochemical Society to get to know the trees in the campus. My biology is not good, in my eyes, these high and low trees are almost the same, and no features. But money teacher just stopped under this tree, explained: “This is a metasequoia.” “Metasequoia? The name is really some, and then observe the appearance, I will find this tree more and more Not worthy of our stop. However, the teacher’s speech, but let us immediately on the average shape of this name, ”Metasequoia" full of curiosity. The origin of this original Metasequoia is not simple, it almost disappeared in the prehistoric disaster. The Cretaceous and the Cenozoic period, Metasequoia plants have been widely distributed in the northern hemisphere, but after the ice age, both belong to the genus Metasequoia