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来源:雅诚德英语网
"Volcanism is important because it represents the pulse of the planets," he added.
“火山作用非常重要,因为它代表着行星的脉搏,”他补充道。
"Volcanism is important because it represents the pulse of the planets," he added.
“火山作用非常重要,因为它代表着行星的脉搏,”他补充道。