Aculeiform
皮刺状的
🗣️ 情景例句
Reading?
读书？
Didn't I tell you he's same size to me?
我没有说过他和我一样大小吗？
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。