Dolomicrite
微晶白云岩
🗣️ 情景例句
I've just been the victim of a robbery.
我被抢劫了。
Did you go play ball last night?
你昨晚去玩球了吗？
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。