大家在查： MarbleFalls 0.99% censorate 夏洛蒂· recuroiceps 切特爱德华里宾特柯密莫哈里 McGwire

三亿六千万

三亿六千万

三亿六千万

三亿六千万

1

Of this total , approximately 360 million square kilometers, or 71 percent, are represented by the oceans and marginal seas.

大约三亿六千万平方公里，即地球总面积的 71%，为各大海洋和陆缘海。

2

Late Devonian About 360m years ago , a fifth of marine families were wiped out, alongside more than half of all marine genera .

泥盆纪晚期约三亿六千万年以前，五分之一海洋家族遭毁灭，同时毁灭的还有半数以上的海洋属生物。

热词推荐

大家在看