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来源:雅诚德英语网
Then over many more years, the Phosphorus-rich rocks of the new land begin to erode and the cycle continues.
然后过了许多年,含磷丰富的新陆地岩石开始被侵蚀,而且循环还在继续。
Then over many more years, the Phosphorus-rich rocks of the new land begin to erode and the cycle continues.
然后过了许多年,含磷丰富的新陆地岩石开始被侵蚀,而且循环还在继续。