But this has not always been the case, and we know this because ancient rocks have recorded the pivotal moments in Earth's planetary evolution.
但情况并非总是如此,我们之所以知道这一点, 是因为古代岩石记录了地球行星演化的关键时刻。
单词 | Evolution,Planetary |
例句 |
原声例句
TED演讲(音频版) 2019年10月合集 But this has not always been the case, and we know this because ancient rocks have recorded the pivotal moments in Earth's planetary evolution. 但情况并非总是如此,我们之所以知道这一点, 是因为古代岩石记录了地球行星演化的关键时刻。 |
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