日期:
来源:雅诚德英语网
Though these mass extinctions are deadly events, they open up the planet for new life-forms to emerge.
尽管这些大规模物种灭绝是致命的事件,可是这些事件也打开了地球上新生活方式的出现。
Though these mass extinctions are deadly events, they open up the planet for new life-forms to emerge.
尽管这些大规模物种灭绝是致命的事件,可是这些事件也打开了地球上新生活方式的出现。