英语语法分析

Traffic is densest in the bottom right, very close to Rotterdam harbour.

图像底部的右侧显示，非常接近鹿特丹港的地方，交通拥挤。

In fact, they're the densest store of carbon energy we've ever discovered.

实际上，它们是我们迄今发现的最密集的碳能量储藏载体。

Another is that they're extremely rare, forming only in the densest star clusters.

另一个原因是它们非常稀少，只在最密集的恒星群中才有。