... 卡洛夫阶 Callovian 卡洛里斯盆地Caloris basin 卡纳华统 Kanawha series ...
双语例句
1
A few craters, such as some in the huge CalorisBasin impact feature visible on the upper right, appear unexpectedly to be ringed with a dark material, the nature of which is being researched.